Subtract 56/49 from 45/40
1st number: 1 5/40, 2nd number: 1 7/49
45/40 - 56/49 is -1/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
45/40 = 45 × 49/40 × 49 = 2205/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
56/49 = 56 × 40/49 × 40 = 2240/1960 - Subtract the two like fractions:
2205/1960 - 2240/1960 = 2205 - 2240/1960 = -35/1960 - After reducing the fraction, the answer is -1/56
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