Subtract 20/36 from 30/7
1st number: 4 2/7, 2nd number: 20/36
30/7 - 20/36 is 235/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
30/7 = 30 × 36/7 × 36 = 1080/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252 - Subtract the two like fractions:
1080/252 - 140/252 = 1080 - 140/252 = 940/252 - After reducing the fraction, the answer is 235/63
- In mixed form: 346/63
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