Subtract 49/36 from 42/80
1st number: 42/80, 2nd number: 1 13/36
42/80 - 49/36 is -301/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
42/80 = 42 × 9/80 × 9 = 378/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
49/36 = 49 × 20/36 × 20 = 980/720 - Subtract the two like fractions:
378/720 - 980/720 = 378 - 980/720 = -602/720 - After reducing the fraction, the answer is -301/360
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