Subtract 20/16 from 42/25
1st number: 1 17/25, 2nd number: 1 4/16
42/25 - 20/16 is 43/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
42/25 = 42 × 16/25 × 16 = 672/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
20/16 = 20 × 25/16 × 25 = 500/400 - Subtract the two like fractions:
672/400 - 500/400 = 672 - 500/400 = 172/400 - After reducing the fraction, the answer is 43/100
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