Subtract 3/50 from 81/42
1st number: 1 39/42, 2nd number: 3/50
81/42 - 3/50 is 327/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
81/42 = 81 × 25/42 × 25 = 2025/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
3/50 = 3 × 21/50 × 21 = 63/1050 - Subtract the two like fractions:
2025/1050 - 63/1050 = 2025 - 63/1050 = 1962/1050 - After reducing the fraction, the answer is 327/175
- In mixed form: 1152/175
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