Add 84/70 and 70/12
1st number: 1 14/70, 2nd number: 5 10/12
84/70 + 70/12 is 211/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
84/70 = 84 × 6/70 × 6 = 504/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
70/12 = 70 × 35/12 × 35 = 2450/420 - Add the two like fractions:
504/420 + 2450/420 = 504 + 2450/420 = 2954/420 - 2954/420 simplified gives 211/30
- So, 84/70 + 70/12 = 211/30
In mixed form: 71/30
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