Subtract 4/28 from 30/15
1st number: 2 0/15, 2nd number: 4/28
30/15 - 4/28 is 13/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
30/15 = 30 × 28/15 × 28 = 840/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
4/28 = 4 × 15/28 × 15 = 60/420 - Subtract the two like fractions:
840/420 - 60/420 = 840 - 60/420 = 780/420 - After reducing the fraction, the answer is 13/7
- In mixed form: 16/7
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