Subtract 8/35 from 21/20
1st number: 1 1/20, 2nd number: 8/35
21/20 - 8/35 is 23/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
21/20 = 21 × 7/20 × 7 = 147/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
8/35 = 8 × 4/35 × 4 = 32/140 - Subtract the two like fractions:
147/140 - 32/140 = 147 - 32/140 = 115/140 - After reducing the fraction, the answer is 23/28
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