Subtract 5/84 from 45/70
45/70 - 5/84 is 7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
45/70 = 45 × 6/70 × 6 = 270/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Subtract the two like fractions:
270/420 - 25/420 = 270 - 25/420 = 245/420 - After reducing the fraction, the answer is 7/12
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