Subtract 8/49 from 81/30
1st number: 2 21/30, 2nd number: 8/49
81/30 - 8/49 is 1243/490.
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,
8/49 = 8 × 30/49 × 30 = 240/1470 - Subtract the two like fractions:
3969/1470 - 240/1470 = 3969 - 240/1470 = 3729/1470 - After reducing the fraction, the answer is 1243/490
- In mixed form: 2263/490
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