Subtract 64/49 from 21/10
1st number: 2 1/10, 2nd number: 1 15/49
21/10 - 64/49 is 389/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
21/10 = 21 × 49/10 × 49 = 1029/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
64/49 = 64 × 10/49 × 10 = 640/490 - Subtract the two like fractions:
1029/490 - 640/490 = 1029 - 640/490 = 389/490
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