Subtract 20/80 from 42/32
1st number: 1 10/32, 2nd number: 20/80
42/32 - 20/80 is 17/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 80 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
42/32 = 42 × 5/32 × 5 = 210/160 - Likewise, for the 2nd fraction, since 80 × 2 = 160,
20/80 = 20 × 2/80 × 2 = 40/160 - Subtract the two like fractions:
210/160 - 40/160 = 210 - 40/160 = 170/160 - After reducing the fraction, the answer is 17/16
- In mixed form: 11/16
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