Subtract 20/28 from 30/2
1st number: 15 0/2, 2nd number: 20/28
30/2 - 20/28 is 100/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
30/2 = 30 × 14/2 × 14 = 420/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
20/28 = 20 × 1/28 × 1 = 20/28 - Subtract the two like fractions:
420/28 - 20/28 = 420 - 20/28 = 400/28 - After reducing the fraction, the answer is 100/7
- In mixed form: 142/7
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