Subtract 28/42 from 16/15
1st number: 1 1/15, 2nd number: 28/42
16/15 - 28/42 is 2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
16/15 = 16 × 14/15 × 14 = 224/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210 - Subtract the two like fractions:
224/210 - 140/210 = 224 - 140/210 = 84/210 - After reducing the fraction, the answer is 2/5
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