Subtract 42/49 from 27/10
1st number: 2 7/10, 2nd number: 42/49
27/10 - 42/49 is 129/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
27/10 = 27 × 49/10 × 49 = 1323/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
42/49 = 42 × 10/49 × 10 = 420/490 - Subtract the two like fractions:
1323/490 - 420/490 = 1323 - 420/490 = 903/490 - After reducing the fraction, the answer is 129/70
- In mixed form: 159/70
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