Subtract 4/9 from 7/8
78 - 49 is 3172.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
78 = 7 × 98 × 9 = 6372 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
49 = 4 × 89 × 8 = 3272 - Subtract the two like fractions:
6372 - 3272 = 63 - 3272 = 3172
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