Subtract 28/16 from 9/7
1st number: 1 2/7, 2nd number: 1 12/16
9/7 - 28/16 is -13/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
9/7 = 9 × 16/7 × 16 = 144/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
28/16 = 28 × 7/16 × 7 = 196/112 - Subtract the two like fractions:
144/112 - 196/112 = 144 - 196/112 = -52/112 - After reducing the fraction, the answer is -13/28
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