Subtract 40/56 from 42/9
1st number: 4 6/9, 2nd number: 40/56
42/9 - 40/56 is 83/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 9 × 56 = 504,
42/9 = 42 × 56/9 × 56 = 2352/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
40/56 = 40 × 9/56 × 9 = 360/504 - Subtract the two like fractions:
2352/504 - 360/504 = 2352 - 360/504 = 1992/504 - After reducing the fraction, the answer is 83/21
- In mixed form: 320/21
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