Subtract 25/36 from 42/15
1st number: 2 12/15, 2nd number: 25/36
42/15 - 25/36 is 379/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
42/15 = 42 × 12/15 × 12 = 504/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
25/36 = 25 × 5/36 × 5 = 125/180 - Subtract the two like fractions:
504/180 - 125/180 = 504 - 125/180 = 379/180 - In mixed form: 219/180
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