Subtract 4/9 from 4/7
47 - 49 is 863.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
47 = 4 × 97 × 9 = 3663 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
49 = 4 × 79 × 7 = 2863 - Subtract the two like fractions:
3663 - 2863 = 36 - 2863 = 863
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