Add 84/70 and 42/15
1st number: 1 14/70, 2nd number: 2 12/15
84/70 + 42/15 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 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 15 × 14 = 210,
42/15 = 42 × 14/15 × 14 = 588/210 - Add the two like fractions:
252/210 + 588/210 = 252 + 588/210 = 840/210 - 840/210 simplified gives 4/1
- So, 84/70 + 42/15 = 4/1
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