Subtract 42/81 from 56/16
1st number: 3 8/16, 2nd number: 42/81
56/16 - 42/81 is 161/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 16 × 81 = 1296,
56/16 = 56 × 81/16 × 81 = 4536/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
42/81 = 42 × 16/81 × 16 = 672/1296 - Subtract the two like fractions:
4536/1296 - 672/1296 = 4536 - 672/1296 = 3864/1296 - After reducing the fraction, the answer is 161/54
- In mixed form: 253/54
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