Subtract 42/80 from 5/3
1st number: 1 2/3, 2nd number: 42/80
5/3 - 42/80 is 137/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
5/3 = 5 × 80/3 × 80 = 400/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Subtract the two like fractions:
400/240 - 126/240 = 400 - 126/240 = 274/240 - After reducing the fraction, the answer is 137/120
- In mixed form: 117/120
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