Subtract 21/49 from 42/2
1st number: 21 0/2, 2nd number: 21/49
42/2 - 21/49 is 144/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 2 × 49 = 98,
42/2 = 42 × 49/2 × 49 = 2058/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
21/49 = 21 × 2/49 × 2 = 42/98 - Subtract the two like fractions:
2058/98 - 42/98 = 2058 - 42/98 = 2016/98 - After reducing the fraction, the answer is 144/7
- In mixed form: 204/7
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