Subtract 1/9 from 7/80
780 - 19 is -17720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
780 = 7 × 980 × 9 = 63720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
19 = 1 × 809 × 80 = 80720 - Subtract the two like fractions:
63720 - 80720 = 63 - 80720 = -17720
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