Subtract 56/8 from 20/30
1st number: 20/30, 2nd number: 7 0/8
20/30 - 56/8 is -19/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
20/30 = 20 × 4/30 × 4 = 80/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
56/8 = 56 × 15/8 × 15 = 840/120 - Subtract the two like fractions:
80/120 - 840/120 = 80 - 840/120 = -760/120 - After reducing the fraction, the answer is -19/3
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