Subtract 21/98 from 10/60
10/60 - 21/98 is -1/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 98 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
10/60 = 10 × 49/60 × 49 = 490/2940 - Likewise, for the 2nd fraction, since 98 × 30 = 2940,
21/98 = 21 × 30/98 × 30 = 630/2940 - Subtract the two like fractions:
490/2940 - 630/2940 = 490 - 630/2940 = -140/2940 - After reducing the fraction, the answer is -1/21
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