Subtract 42/5 from 20/36
1st number: 20/36, 2nd number: 8 2/5
20/36 - 42/5 is -353/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Likewise, for the 2nd fraction, since 5 × 36 = 180,
42/5 = 42 × 36/5 × 36 = 1512/180 - Subtract the two like fractions:
100/180 - 1512/180 = 100 - 1512/180 = -1412/180 - After reducing the fraction, the answer is -353/45
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