Subtract 90/6 from 7/80
1st number: 7/80, 2nd number: 15 0/6
7/80 - 90/6 is -1193/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 6 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
7/80 = 7 × 3/80 × 3 = 21/240 - Likewise, for the 2nd fraction, since 6 × 40 = 240,
90/6 = 90 × 40/6 × 40 = 3600/240 - Subtract the two like fractions:
21/240 - 3600/240 = 21 - 3600/240 = -3579/240 - After reducing the fraction, the answer is -1193/80
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