Subtract 25/16 from 20/49
1st number: 20/49, 2nd number: 1 9/16
20/49 - 25/16 is -905/784.
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,
20/49 = 20 × 16/49 × 16 = 320/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
25/16 = 25 × 49/16 × 49 = 1225/784 - Subtract the two like fractions:
320/784 - 1225/784 = 320 - 1225/784 = -905/784
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