Subtract 72/35 from 81/5
1st number: 16 1/5, 2nd number: 2 2/35
81/5 - 72/35 is 99/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 35 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
81/5 = 81 × 7/5 × 7 = 567/35 - Likewise, for the 2nd fraction, since 35 × 1 = 35,
72/35 = 72 × 1/35 × 1 = 72/35 - Subtract the two like fractions:
567/35 - 72/35 = 567 - 72/35 = 495/35 - After reducing the fraction, the answer is 99/7
- In mixed form: 141/7
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