Subtract 81/24 from 56/70
1st number: 56/70, 2nd number: 3 9/24
56/70 - 81/24 is -103/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
56/70 = 56 × 12/70 × 12 = 672/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
81/24 = 81 × 35/24 × 35 = 2835/840 - Subtract the two like fractions:
672/840 - 2835/840 = 672 - 2835/840 = -2163/840 - After reducing the fraction, the answer is -103/40
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