Add 84/70 and 3/15
1st number: 1 14/70, 2nd number: 3/15
84/70 + 3/15 is 7/5.
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,
3/15 = 3 × 14/15 × 14 = 42/210 - Add the two like fractions:
252/210 + 42/210 = 252 + 42/210 = 294/210 - 294/210 simplified gives 7/5
- So, 84/70 + 3/15 = 7/5
In mixed form: 12/5
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