Subtract 3/50 from 81/21
1st number: 3 18/21, 2nd number: 3/50
81/21 - 3/50 is 1329/350.
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,
3/50 = 3 × 21/50 × 21 = 63/1050 - Subtract the two like fractions:
4050/1050 - 63/1050 = 4050 - 63/1050 = 3987/1050 - After reducing the fraction, the answer is 1329/350
- In mixed form: 3279/350
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