Subtract 21/10 from 56/35
1st number: 1 21/35, 2nd number: 2 1/10
56/35 - 21/10 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
56/35 = 56 × 2/35 × 2 = 112/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
21/10 = 21 × 7/10 × 7 = 147/70 - Subtract the two like fractions:
112/70 - 147/70 = 112 - 147/70 = -35/70 - After reducing the fraction, the answer is -1/2
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