Subtract 90/56 from 56/45
1st number: 1 11/45, 2nd number: 1 34/56
56/45 - 90/56 is -457/1260.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
56/45 = 56 × 56/45 × 56 = 3136/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
90/56 = 90 × 45/56 × 45 = 4050/2520 - Subtract the two like fractions:
3136/2520 - 4050/2520 = 3136 - 4050/2520 = -914/2520 - After reducing the fraction, the answer is -457/1260
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Related: 56/90-90/56