Subtract 15/80 from 45/70
45/70 - 15/80 is 51/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
45/70 = 45 × 8/70 × 8 = 360/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
15/80 = 15 × 7/80 × 7 = 105/560 - Subtract the two like fractions:
360/560 - 105/560 = 360 - 105/560 = 255/560 - After reducing the fraction, the answer is 51/112
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