Subtract 14/9 from 27/21
1st number: 1 6/21, 2nd number: 1 5/9
2721 - 149 is -1763.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
2721 = 27 × 321 × 3 = 8163 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
149 = 14 × 79 × 7 = 9863 - Subtract the two like fractions:
8163 - 9863 = 81 - 9863 = -1763
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