Subtract 21/24 from 90/10
1st number: 9 0/10, 2nd number: 21/24
90/10 - 21/24 is 65/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 10 × 12 = 120,
90/10 = 90 × 12/10 × 12 = 1080/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120 - Subtract the two like fractions:
1080/120 - 105/120 = 1080 - 105/120 = 975/120 - After reducing the fraction, the answer is 65/8
- In mixed form: 81/8
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