Subtract 42/20 from 5/36
1st number: 5/36, 2nd number: 2 2/20
5/36 - 42/20 is -353/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
5/36 = 5 × 5/36 × 5 = 25/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
42/20 = 42 × 9/20 × 9 = 378/180 - Subtract the two like fractions:
25/180 - 378/180 = 25 - 378/180 = -353/180
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