Subtract 42/84 from 63/15
1st number: 4 3/15, 2nd number: 42/84
63/15 - 42/84 is 37/10.
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,
63/15 = 63 × 28/15 × 28 = 1764/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
42/84 = 42 × 5/84 × 5 = 210/420 - Subtract the two like fractions:
1764/420 - 210/420 = 1764 - 210/420 = 1554/420 - After reducing the fraction, the answer is 37/10
- In mixed form: 37/10
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