Subtract 30/80 from 4/28
4/28 - 30/80 is -13/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
4/28 = 4 × 20/28 × 20 = 80/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
30/80 = 30 × 7/80 × 7 = 210/560 - Subtract the two like fractions:
80/560 - 210/560 = 80 - 210/560 = -130/560 - After reducing the fraction, the answer is -13/56
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