Subtract 3/49 from 81/30
1st number: 2 21/30, 2nd number: 3/49
81/30 - 3/49 is 1293/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
81/30 = 81 × 49/30 × 49 = 3969/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
3/49 = 3 × 30/49 × 30 = 90/1470 - Subtract the two like fractions:
3969/1470 - 90/1470 = 3969 - 90/1470 = 3879/1470 - After reducing the fraction, the answer is 1293/490
- In mixed form: 2313/490
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