Add 84/70 and 12/18
1st number: 1 14/70, 2nd number: 12/18
84/70 + 12/18 is 28/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
84/70 = 84 × 9/70 × 9 = 756/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
12/18 = 12 × 35/18 × 35 = 420/630 - Add the two like fractions:
756/630 + 420/630 = 756 + 420/630 = 1176/630 - 1176/630 simplified gives 28/15
- So, 84/70 + 12/18 = 28/15
In mixed form: 113/15
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