Subtract 20/72 from 56/12
1st number: 4 8/12, 2nd number: 20/72
56/12 - 20/72 is 79/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
56/12 = 56 × 6/12 × 6 = 336/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Subtract the two like fractions:
336/72 - 20/72 = 336 - 20/72 = 316/72 - After reducing the fraction, the answer is 79/18
- In mixed form: 47/18
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