Subtract 72/7 from 81/16
1st number: 5 1/16, 2nd number: 10 2/7
81/16 - 72/7 is -585/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
81/16 = 81 × 7/16 × 7 = 567/112 - Likewise, for the 2nd fraction, since 7 × 16 = 112,
72/7 = 72 × 16/7 × 16 = 1152/112 - Subtract the two like fractions:
567/112 - 1152/112 = 567 - 1152/112 = -585/112
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