Subtract 20/56 from 75/30
1st number: 2 15/30, 2nd number: 20/56
75/30 - 20/56 is 15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
75/30 = 75 × 28/30 × 28 = 2100/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
20/56 = 20 × 15/56 × 15 = 300/840 - Subtract the two like fractions:
2100/840 - 300/840 = 2100 - 300/840 = 1800/840 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
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