Subtract 81/20 from 8/35
1st number: 8/35, 2nd number: 4 1/20
8/35 - 81/20 is -107/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
8/35 = 8 × 4/35 × 4 = 32/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
81/20 = 81 × 7/20 × 7 = 567/140 - Subtract the two like fractions:
32/140 - 567/140 = 32 - 567/140 = -535/140 - After reducing the fraction, the answer is -107/28
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