Subtract 49/80 from 28/63
28/63 - 49/80 is -121/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
28/63 = 28 × 80/63 × 80 = 2240/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
49/80 = 49 × 63/80 × 63 = 3087/5040 - Subtract the two like fractions:
2240/5040 - 3087/5040 = 2240 - 3087/5040 = -847/5040 - After reducing the fraction, the answer is -121/720
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