Subtract 42/24 from 21/3
1st number: 7 0/3, 2nd number: 1 18/24
21/3 - 42/24 is 21/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 3 × 8 = 24,
21/3 = 21 × 8/3 × 8 = 168/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
42/24 = 42 × 1/24 × 1 = 42/24 - Subtract the two like fractions:
168/24 - 42/24 = 168 - 42/24 = 126/24 - After reducing the fraction, the answer is 21/4
- In mixed form: 51/4
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