Subtract 5/50 from 28/70
28/70 - 5/50 is 3/10.
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,
28/70 = 28 × 5/70 × 5 = 140/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
5/50 = 5 × 7/50 × 7 = 35/350 - Subtract the two like fractions:
140/350 - 35/350 = 140 - 35/350 = 105/350 - After reducing the fraction, the answer is 3/10
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