Subtract 30/98 from 21/15
1st number: 1 6/15, 2nd number: 30/98
21/15 - 30/98 is 268/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 15 × 98 = 1470,
21/15 = 21 × 98/15 × 98 = 2058/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
30/98 = 30 × 15/98 × 15 = 450/1470 - Subtract the two like fractions:
2058/1470 - 450/1470 = 2058 - 450/1470 = 1608/1470 - After reducing the fraction, the answer is 268/245
- In mixed form: 123/245
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