Subtract 20/49 from 81/15
1st number: 5 6/15, 2nd number: 20/49
81/15 - 20/49 is 1223/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735
Next, find the equivalent fraction of both fractional numbers with denominator 735 - For the 1st fraction, since 15 × 49 = 735,
81/15 = 81 × 49/15 × 49 = 3969/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
20/49 = 20 × 15/49 × 15 = 300/735 - Subtract the two like fractions:
3969/735 - 300/735 = 3969 - 300/735 = 3669/735 - After reducing the fraction, the answer is 1223/245
- In mixed form: 4243/245
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