Subtract 21/10 from 5/49
1st number: 5/49, 2nd number: 2 1/10
5/49 - 21/10 is -979/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
5/49 = 5 × 10/49 × 10 = 50/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
21/10 = 21 × 49/10 × 49 = 1029/490 - Subtract the two like fractions:
50/490 - 1029/490 = 50 - 1029/490 = -979/490
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