Add 70/84 and 30/27
1st number: 70/84, 2nd number: 1 3/27
70/84 + 30/27 is 35/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
70/84 = 70 × 9/84 × 9 = 630/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
30/27 = 30 × 28/27 × 28 = 840/756 - Add the two like fractions:
630/756 + 840/756 = 630 + 840/756 = 1470/756 - 1470/756 simplified gives 35/18
- So, 70/84 + 30/27 = 35/18
In mixed form: 117/18
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