Subtract 7/8 from 3/4
34 - 78 is -18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
34 = 3 × 24 × 2 = 68 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
78 = 7 × 18 × 1 = 78 - Subtract the two like fractions:
68 - 78 = 6 - 78 = -18
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