Subtract 15/49 from 21/10
1st number: 2 1/10, 2nd number: 15/49
21/10 - 15/49 is 879/490.
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,
15/49 = 15 × 10/49 × 10 = 150/490 - Subtract the two like fractions:
1029/490 - 150/490 = 1029 - 150/490 = 879/490 - In mixed form: 1389/490
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