Subtract 7/49 from 56/21
1st number: 2 14/21, 2nd number: 7/49
56/21 - 7/49 is 53/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
56/21 = 56 × 7/21 × 7 = 392/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
7/49 = 7 × 3/49 × 3 = 21/147 - Subtract the two like fractions:
392/147 - 21/147 = 392 - 21/147 = 371/147 - After reducing the fraction, the answer is 53/21
- In mixed form: 211/21
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