Subtract 9/10 from 3/4
34 - 910 is -320.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
34 = 3 × 54 × 5 = 1520 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
910 = 9 × 210 × 2 = 1820 - Subtract the two like fractions:
1520 - 1820 = 15 - 1820 = -320
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