Subtract 18/49 from 21/15
1st number: 1 6/15, 2nd number: 18/49
21/15 - 18/49 is 253/245.
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,
21/15 = 21 × 49/15 × 49 = 1029/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
18/49 = 18 × 15/49 × 15 = 270/735 - Subtract the two like fractions:
1029/735 - 270/735 = 1029 - 270/735 = 759/735 - After reducing the fraction, the answer is 253/245
- In mixed form: 18/245
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