Subtract 42/15 from 84/3
1st number: 28 0/3, 2nd number: 2 12/15
84/3 - 42/15 is 126/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
84/3 = 84 × 5/3 × 5 = 420/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
42/15 = 42 × 1/15 × 1 = 42/15 - Subtract the two like fractions:
420/15 - 42/15 = 420 - 42/15 = 378/15 - After reducing the fraction, the answer is 126/5
- In mixed form: 251/5
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