Subtract 21/8 from 5/49
1st number: 5/49, 2nd number: 2 5/8
5/49 - 21/8 is -989/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
5/49 = 5 × 8/49 × 8 = 40/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
21/8 = 21 × 49/8 × 49 = 1029/392 - Subtract the two like fractions:
40/392 - 1029/392 = 40 - 1029/392 = -989/392
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