Subtract 4/90 from 18/16
1st number: 1 2/16, 2nd number: 4/90
18/16 - 4/90 is 389/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
18/16 = 18 × 45/16 × 45 = 810/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
4/90 = 4 × 8/90 × 8 = 32/720 - Subtract the two like fractions:
810/720 - 32/720 = 810 - 32/720 = 778/720 - After reducing the fraction, the answer is 389/360
- In mixed form: 129/360
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