Add 21/81 and 70/14
1st number: 21/81, 2nd number: 5 0/14
21/81 + 70/14 is 142/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 14 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 81 × 14 = 1134,
21/81 = 21 × 14/81 × 14 = 294/1134 - Likewise, for the 2nd fraction, since 14 × 81 = 1134,
70/14 = 70 × 81/14 × 81 = 5670/1134 - Add the two like fractions:
294/1134 + 5670/1134 = 294 + 5670/1134 = 5964/1134 - 5964/1134 simplified gives 142/27
- So, 21/81 + 70/14 = 142/27
In mixed form: 57/27
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