Subtract 7/9 from 3/10
310 - 79 is -4390.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
310 = 3 × 910 × 9 = 2790 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
79 = 7 × 109 × 10 = 7090 - Subtract the two like fractions:
2790 - 7090 = 27 - 7090 = -4390
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