Subtract 15/49 from 21/8
1st number: 2 5/8, 2nd number: 15/49
21/8 - 15/49 is 909/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
21/8 = 21 × 49/8 × 49 = 1029/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
15/49 = 15 × 8/49 × 8 = 120/392 - Subtract the two like fractions:
1029/392 - 120/392 = 1029 - 120/392 = 909/392 - In mixed form: 2125/392
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