Subtract 5/90 from 9/8
1st number: 1 1/8, 2nd number: 5/90
9/8 - 5/90 is 77/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
9/8 = 9 × 45/8 × 45 = 405/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
5/90 = 5 × 4/90 × 4 = 20/360 - Subtract the two like fractions:
405/360 - 20/360 = 405 - 20/360 = 385/360 - After reducing the fraction, the answer is 77/72
- In mixed form: 15/72
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