Subtract 5/84 from 42/15
1st number: 2 12/15, 2nd number: 5/84
42/15 - 5/84 is 1151/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
42/15 = 42 × 28/15 × 28 = 1176/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Subtract the two like fractions:
1176/420 - 25/420 = 1176 - 25/420 = 1151/420 - In mixed form: 2311/420
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