Subtract 32/21 from 56/45
1st number: 1 11/45, 2nd number: 1 11/21
56/45 - 32/21 is -88/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
56/45 = 56 × 7/45 × 7 = 392/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
32/21 = 32 × 15/21 × 15 = 480/315 - Subtract the two like fractions:
392/315 - 480/315 = 392 - 480/315 = -88/315
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