Subtract 9/10 from 54/18
1st number: 3 0/18, 2nd number: 9/10
54/18 - 9/10 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
54/18 = 54 × 5/18 × 5 = 270/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Subtract the two like fractions:
270/90 - 81/90 = 270 - 81/90 = 189/90 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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