Subtract 20/28 from 84/15
1st number: 5 9/15, 2nd number: 20/28
84/15 - 20/28 is 171/35.
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,
84/15 = 84 × 28/15 × 28 = 2352/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
20/28 = 20 × 15/28 × 15 = 300/420 - Subtract the two like fractions:
2352/420 - 300/420 = 2352 - 300/420 = 2052/420 - After reducing the fraction, the answer is 171/35
- In mixed form: 431/35
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