Subtract 8/84 from 40/15
1st number: 2 10/15, 2nd number: 8/84
40/15 - 8/84 is 18/7.
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,
40/15 = 40 × 28/15 × 28 = 1120/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
8/84 = 8 × 5/84 × 5 = 40/420 - Subtract the two like fractions:
1120/420 - 40/420 = 1120 - 40/420 = 1080/420 - After reducing the fraction, the answer is 18/7
- In mixed form: 24/7
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