Add 70/84 and 7/18
70/84 + 7/18 is 11/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
70/84 = 70 × 3/84 × 3 = 210/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
7/18 = 7 × 14/18 × 14 = 98/252 - Add the two like fractions:
210/252 + 98/252 = 210 + 98/252 = 308/252 - 308/252 simplified gives 11/9
- So, 70/84 + 7/18 = 11/9
In mixed form: 12/9
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