Subtract 21/90 from 35/24
1st number: 1 11/24, 2nd number: 21/90
35/24 - 21/90 is 49/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
35/24 = 35 × 15/24 × 15 = 525/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
21/90 = 21 × 4/90 × 4 = 84/360 - Subtract the two like fractions:
525/360 - 84/360 = 525 - 84/360 = 441/360 - After reducing the fraction, the answer is 49/40
- In mixed form: 19/40
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