Subtract 21/10 from 15/36
1st number: 15/36, 2nd number: 2 1/10
15/36 - 21/10 is -101/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 10 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
15/36 = 15 × 5/36 × 5 = 75/180 - Likewise, for the 2nd fraction, since 10 × 18 = 180,
21/10 = 21 × 18/10 × 18 = 378/180 - Subtract the two like fractions:
75/180 - 378/180 = 75 - 378/180 = -303/180 - After reducing the fraction, the answer is -101/60
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