3 - Australian Teacher

How to Conquer Fractions, Decimals & Percentages Vol 2 MethodFractionsSubtraction Mixed NumeralsMethod (where lowest common denominator requires changing just one of the fractions)1. Convert mixed numerals to improper fractions 2. Find lowest common denominator (LCD)3. Adjust numerator and denominator of the fraction that needs to be changed4. Subtract numerators but not denominators 5. Simplify if possible15 2x 11 15 22 15 7 - - =1 32 4 2 4 2x 2 4 4 4 4 45 1 -3 3 11 -Working outspacecontinue overpage if you needmore roomMethod (where lowest common denominator requires changing both fractions)1. Convert mixed numerals to improper fractions 2. Find lowest common denominator (LCD)3. Adjust numerator and denominator of both fractions4. Subtract numerators but not denominators 5. Simplify if possible12 5x13 2x12 65 24 41 - - =4 12 5 2 5 5x2 2x5 10 10 10 106 1 -2 2 13 -17 2 - 4 3 26 7 - 1 2 34 4 - 2 17 14 9 3 12 6= = =45 1 - 3 5 59 4 - 4 9 63 1 - 2 52 14 5 10 4 8= = =77 3 - 5 7 85 3 - 1 7 99 11 - 4 28 16 5 10 21 7= = =108 9 - 5 3 114 1 - 1 11 125 7 - 2 914 7 2 16 8 24= = =138 7 - 4 4 147 2 - 3 1 154 1 - 3 98 5 3 2 2 11= = =166 9 - 6 3 175 1 - 2 1 187 4 - 2 310 7 4 3 7 5= = =193 5 - 1 2 208 1 - 8 1 219 3 - 3 38 3 4 5 5 8= = =227 1 - 1 9 234 2 - 3 9 242 1 - 1 23 10 3 10 2 3= = =256 1 - 2 35 7=No. Correct % Score Signature or Comment© Intelligent Australia Productions 7