Subtract 56/25 from 21/30
1st number: 21/30, 2nd number: 2 6/25
21/30 - 56/25 is -77/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 25 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
21/30 = 21 × 5/30 × 5 = 105/150 - Likewise, for the 2nd fraction, since 25 × 6 = 150,
56/25 = 56 × 6/25 × 6 = 336/150 - Subtract the two like fractions:
105/150 - 336/150 = 105 - 336/150 = -231/150 - After reducing the fraction, the answer is -77/50
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