Subtract 54/63 from 56/45
1st number: 1 11/45, 2nd number: 54/63
56/45 - 54/63 is 122/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 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 63 × 5 = 315,
54/63 = 54 × 5/63 × 5 = 270/315 - Subtract the two like fractions:
392/315 - 270/315 = 392 - 270/315 = 122/315
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