Subtract 42/15 from 30/98
1st number: 30/98, 2nd number: 2 12/15
30/98 - 42/15 is -611/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
30/98 = 30 × 15/98 × 15 = 450/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
42/15 = 42 × 98/15 × 98 = 4116/1470 - Subtract the two like fractions:
450/1470 - 4116/1470 = 450 - 4116/1470 = -3666/1470 - After reducing the fraction, the answer is -611/245
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