Subtract 20/56 from 42/18
1st number: 2 6/18, 2nd number: 20/56
42/18 - 20/56 is 83/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
42/18 = 42 × 28/18 × 28 = 1176/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Subtract the two like fractions:
1176/504 - 180/504 = 1176 - 180/504 = 996/504 - After reducing the fraction, the answer is 83/42
- In mixed form: 141/42
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