Subtract 18/70 from 84/80
1st number: 1 4/80, 2nd number: 18/70
84/80 - 18/70 is 111/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
84/80 = 84 × 7/80 × 7 = 588/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
18/70 = 18 × 8/70 × 8 = 144/560 - Subtract the two like fractions:
588/560 - 144/560 = 588 - 144/560 = 444/560 - After reducing the fraction, the answer is 111/140
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