Subtract 21/90 from 35/12
1st number: 2 11/12, 2nd number: 21/90
35/12 - 21/90 is 161/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
35/12 = 35 × 15/12 × 15 = 525/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
21/90 = 21 × 2/90 × 2 = 42/180 - Subtract the two like fractions:
525/180 - 42/180 = 525 - 42/180 = 483/180 - After reducing the fraction, the answer is 161/60
- In mixed form: 241/60
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