Subtract 63/49 from 81/40
1st number: 2 1/40, 2nd number: 1 14/49
81/40 - 63/49 is 207/280.
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,
81/40 = 81 × 49/40 × 49 = 3969/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
63/49 = 63 × 40/49 × 40 = 2520/1960 - Subtract the two like fractions:
3969/1960 - 2520/1960 = 3969 - 2520/1960 = 1449/1960 - After reducing the fraction, the answer is 207/280
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