Subtract 42/98 from 18/60
18/60 - 42/98 is -9/70.
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,
18/60 = 18 × 49/60 × 49 = 882/2940 - Likewise, for the 2nd fraction, since 98 × 30 = 2940,
42/98 = 42 × 30/98 × 30 = 1260/2940 - Subtract the two like fractions:
882/2940 - 1260/2940 = 882 - 1260/2940 = -378/2940 - After reducing the fraction, the answer is -9/70
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