Add 70/28 and 21/27
1st number: 2 14/28, 2nd number: 21/27
70/28 + 21/27 is 59/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
70/28 = 70 × 27/28 × 27 = 1890/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
21/27 = 21 × 28/27 × 28 = 588/756 - Add the two like fractions:
1890/756 + 588/756 = 1890 + 588/756 = 2478/756 - 2478/756 simplified gives 59/18
- So, 70/28 + 21/27 = 59/18
In mixed form: 35/18
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