Subtract 20/50 from 42/9
1st number: 4 6/9, 2nd number: 20/50
42/9 - 20/50 is 64/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 9 × 50 = 450,
42/9 = 42 × 50/9 × 50 = 2100/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
20/50 = 20 × 9/50 × 9 = 180/450 - Subtract the two like fractions:
2100/450 - 180/450 = 2100 - 180/450 = 1920/450 - After reducing the fraction, the answer is 64/15
- In mixed form: 44/15
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