Subtract 7/16 from 81/15
1st number: 5 6/15, 2nd number: 7/16
81/15 - 7/16 is 397/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
81/15 = 81 × 16/15 × 16 = 1296/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
7/16 = 7 × 15/16 × 15 = 105/240 - Subtract the two like fractions:
1296/240 - 105/240 = 1296 - 105/240 = 1191/240 - After reducing the fraction, the answer is 397/80
- In mixed form: 477/80
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