Subtract 21/30 from 70/50
1st number: 1 20/50, 2nd number: 21/30
70/50 - 21/30 is 7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
70/50 = 70 × 3/50 × 3 = 210/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
21/30 = 21 × 5/30 × 5 = 105/150 - Subtract the two like fractions:
210/150 - 105/150 = 210 - 105/150 = 105/150 - After reducing the fraction, the answer is 7/10
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