Add 84/70 and 42/3
1st number: 1 14/70, 2nd number: 14 0/3
84/70 + 42/3 is 76/5.
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,
84/70 = 84 × 3/70 × 3 = 252/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
42/3 = 42 × 70/3 × 70 = 2940/210 - Add the two like fractions:
252/210 + 2940/210 = 252 + 2940/210 = 3192/210 - 3192/210 simplified gives 76/5
- So, 84/70 + 42/3 = 76/5
In mixed form: 151/5
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