Subtract 28/90 from 30/2
1st number: 15 0/2, 2nd number: 28/90
30/2 - 28/90 is 661/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
30/2 = 30 × 45/2 × 45 = 1350/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Subtract the two like fractions:
1350/90 - 28/90 = 1350 - 28/90 = 1322/90 - After reducing the fraction, the answer is 661/45
- In mixed form: 1431/45
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