Subtract 42/80 from 56/30
1st number: 1 26/30, 2nd number: 42/80
56/30 - 42/80 is 161/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
56/30 = 56 × 8/30 × 8 = 448/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Subtract the two like fractions:
448/240 - 126/240 = 448 - 126/240 = 322/240 - After reducing the fraction, the answer is 161/120
- In mixed form: 141/120
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