Subtract 15/98 from 21/5
1st number: 4 1/5, 2nd number: 15/98
21/5 - 15/98 is 1983/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 5 × 98 = 490,
21/5 = 21 × 98/5 × 98 = 2058/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
15/98 = 15 × 5/98 × 5 = 75/490 - Subtract the two like fractions:
2058/490 - 75/490 = 2058 - 75/490 = 1983/490 - In mixed form: 423/490
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