Subtract 54/90 from 63/3
1st number: 21 0/3, 2nd number: 54/90
63/3 - 54/90 is 102/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
63/3 = 63 × 30/3 × 30 = 1890/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Subtract the two like fractions:
1890/90 - 54/90 = 1890 - 54/90 = 1836/90 - After reducing the fraction, the answer is 102/5
- In mixed form: 202/5
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