Subtract 7/90 from 28/4
1st number: 7 0/4, 2nd number: 7/90
28/4 - 7/90 is 623/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
28/4 = 28 × 45/4 × 45 = 1260/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
7/90 = 7 × 2/90 × 2 = 14/180 - Subtract the two like fractions:
1260/180 - 14/180 = 1260 - 14/180 = 1246/180 - After reducing the fraction, the answer is 623/90
- In mixed form: 683/90
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