Subtract 3/45 from 20/8
1st number: 2 4/8, 2nd number: 3/45
20/8 - 3/45 is 73/30.
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,
3/45 = 3 × 8/45 × 8 = 24/360 - Subtract the two like fractions:
900/360 - 24/360 = 900 - 24/360 = 876/360 - After reducing the fraction, the answer is 73/30
- In mixed form: 213/30
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