Subtract 30/16 from 42/49
1st number: 42/49, 2nd number: 1 14/16
42/49 - 30/16 is -57/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 16 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 49 × 16 = 784,
42/49 = 42 × 16/49 × 16 = 672/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
30/16 = 30 × 49/16 × 49 = 1470/784 - Subtract the two like fractions:
672/784 - 1470/784 = 672 - 1470/784 = -798/784 - After reducing the fraction, the answer is -57/56
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