Subtract 20/50 from 75/70
1st number: 1 5/70, 2nd number: 20/50
75/70 - 20/50 is 47/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
75/70 = 75 × 5/70 × 5 = 375/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
20/50 = 20 × 7/50 × 7 = 140/350 - Subtract the two like fractions:
375/350 - 140/350 = 375 - 140/350 = 235/350 - After reducing the fraction, the answer is 47/70
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