Subtract 42/98 from 7/15
7/15 - 42/98 is 4/105.
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,
7/15 = 7 × 98/15 × 98 = 686/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
42/98 = 42 × 15/98 × 15 = 630/1470 - Subtract the two like fractions:
686/1470 - 630/1470 = 686 - 630/1470 = 56/1470 - After reducing the fraction, the answer is 4/105
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