Subtract 20/50 from 70/18
1st number: 3 16/18, 2nd number: 20/50
70/18 - 20/50 is 157/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
70/18 = 70 × 25/18 × 25 = 1750/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
20/50 = 20 × 9/50 × 9 = 180/450 - Subtract the two like fractions:
1750/450 - 180/450 = 1750 - 180/450 = 1570/450 - After reducing the fraction, the answer is 157/45
- In mixed form: 322/45
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