Subtract 27/10 from 4/5
1st number: 4/5, 2nd number: 2 7/10
45 - 2710 is -1910.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
45 = 4 × 25 × 2 = 810 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
2710 = 27 × 110 × 1 = 2710 - Subtract the two like fractions:
810 - 2710 = 8 - 2710 = -1910
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