Add 18/12 and 84/70
1st number: 1 6/12, 2nd number: 1 14/70
18/12 + 84/70 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
18/12 = 18 × 35/12 × 35 = 630/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
84/70 = 84 × 6/70 × 6 = 504/420 - Add the two like fractions:
630/420 + 504/420 = 630 + 504/420 = 1134/420 - 1134/420 simplified gives 27/10
- So, 18/12 + 84/70 = 27/10
In mixed form: 27/10
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