Subtract 48/42 from 70/15
1st number: 4 10/15, 2nd number: 1 6/42
70/15 - 48/42 is 74/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
70/15 = 70 × 14/15 × 14 = 980/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
48/42 = 48 × 5/42 × 5 = 240/210 - Subtract the two like fractions:
980/210 - 240/210 = 980 - 240/210 = 740/210 - After reducing the fraction, the answer is 74/21
- In mixed form: 311/21
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