Subtract 4/8 from 42/16
1st number: 2 10/16, 2nd number: 4/8
42/16 - 4/8 is 17/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 8 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
42/16 = 42 × 1/16 × 1 = 42/16 - Likewise, for the 2nd fraction, since 8 × 2 = 16,
4/8 = 4 × 2/8 × 2 = 8/16 - Subtract the two like fractions:
42/16 - 8/16 = 42 - 8/16 = 34/16 - After reducing the fraction, the answer is 17/8
- In mixed form: 21/8
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