Subtract 16/45 from 20/8
1st number: 2 4/8, 2nd number: 16/45
20/8 - 16/45 is 193/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
20/8 = 20 × 45/8 × 45 = 900/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
16/45 = 16 × 8/45 × 8 = 128/360 - Subtract the two like fractions:
900/360 - 128/360 = 900 - 128/360 = 772/360 - After reducing the fraction, the answer is 193/90
- In mixed form: 213/90
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