Subtract 30/27 from 42/10
1st number: 4 2/10, 2nd number: 1 3/27
42/10 - 30/27 is 139/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
42/10 = 42 × 27/10 × 27 = 1134/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270 - Subtract the two like fractions:
1134/270 - 300/270 = 1134 - 300/270 = 834/270 - After reducing the fraction, the answer is 139/45
- In mixed form: 34/45
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