Subtract 28/90 from 54/7
1st number: 7 5/7, 2nd number: 28/90
54/7 - 28/90 is 2332/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
54/7 = 54 × 90/7 × 90 = 4860/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
28/90 = 28 × 7/90 × 7 = 196/630 - Subtract the two like fractions:
4860/630 - 196/630 = 4860 - 196/630 = 4664/630 - After reducing the fraction, the answer is 2332/315
- In mixed form: 7127/315
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