Add 75/70 and 20/3
1st number: 1 5/70, 2nd number: 6 2/3
75/70 + 20/3 is 325/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
75/70 = 75 × 3/70 × 3 = 225/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
20/3 = 20 × 70/3 × 70 = 1400/210 - Add the two like fractions:
225/210 + 1400/210 = 225 + 1400/210 = 1625/210 - 1625/210 simplified gives 325/42
- So, 75/70 + 20/3 = 325/42
In mixed form: 731/42
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