Subtract 21/90 from 14/10
1st number: 1 4/10, 2nd number: 21/90
14/10 - 21/90 is 7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
14/10 = 14 × 9/10 × 9 = 126/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Subtract the two like fractions:
126/90 - 21/90 = 126 - 21/90 = 105/90 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
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