Subtract 54/80 from 2/70
2/70 - 54/80 is -181/280.
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,
2/70 = 2 × 8/70 × 8 = 16/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
54/80 = 54 × 7/80 × 7 = 378/560 - Subtract the two like fractions:
16/560 - 378/560 = 16 - 378/560 = -362/560 - After reducing the fraction, the answer is -181/280
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