Subtract 16/40 from 4/49
4/49 - 16/40 is -78/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
4/49 = 4 × 40/49 × 40 = 160/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
16/40 = 16 × 49/40 × 49 = 784/1960 - Subtract the two like fractions:
160/1960 - 784/1960 = 160 - 784/1960 = -624/1960 - After reducing the fraction, the answer is -78/245
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