Subtract 90/56 from 7/45
1st number: 7/45, 2nd number: 1 34/56
7/45 - 90/56 is -1829/1260.
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,
7/45 = 7 × 56/45 × 56 = 392/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
90/56 = 90 × 45/56 × 45 = 4050/2520 - Subtract the two like fractions:
392/2520 - 4050/2520 = 392 - 4050/2520 = -3658/2520 - After reducing the fraction, the answer is -1829/1260
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