Subtract 72/49 from 16/40
1st number: 16/40, 2nd number: 1 23/49
16/40 - 72/49 is -262/245.
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,
16/40 = 16 × 49/40 × 49 = 784/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
72/49 = 72 × 40/49 × 40 = 2880/1960 - Subtract the two like fractions:
784/1960 - 2880/1960 = 784 - 2880/1960 = -2096/1960 - After reducing the fraction, the answer is -262/245
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