Subtract 8/50 from 81/21
1st number: 3 18/21, 2nd number: 8/50
81/21 - 8/50 is 647/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
81/21 = 81 × 50/21 × 50 = 4050/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
8/50 = 8 × 21/50 × 21 = 168/1050 - Subtract the two like fractions:
4050/1050 - 168/1050 = 4050 - 168/1050 = 3882/1050 - After reducing the fraction, the answer is 647/175
- In mixed form: 3122/175
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