Subtract 3/36 from 21/15
1st number: 1 6/15, 2nd number: 3/36
21/15 - 3/36 is 79/60.
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,
21/15 = 21 × 12/15 × 12 = 252/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
3/36 = 3 × 5/36 × 5 = 15/180 - Subtract the two like fractions:
252/180 - 15/180 = 252 - 15/180 = 237/180 - After reducing the fraction, the answer is 79/60
- In mixed form: 119/60
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