Subtract 20/80 from 42/16
1st number: 2 10/16, 2nd number: 20/80
42/16 - 20/80 is 19/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Subtract the two like fractions:
210/80 - 20/80 = 210 - 20/80 = 190/80 - After reducing the fraction, the answer is 19/8
- In mixed form: 23/8
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