Subtract 42/8 from 63/4
1st number: 15 3/4, 2nd number: 5 2/8
63/4 - 42/8 is 21/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
63/4 = 63 × 2/4 × 2 = 126/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
42/8 = 42 × 1/8 × 1 = 42/8 - Subtract the two like fractions:
126/8 - 42/8 = 126 - 42/8 = 84/8 - After reducing the fraction, the answer is 21/2
- In mixed form: 101/2
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