Add 70/84 and 28/16
1st number: 70/84, 2nd number: 1 12/16
70/84 + 28/16 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
70/84 = 70 × 4/84 × 4 = 280/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
28/16 = 28 × 21/16 × 21 = 588/336 - Add the two like fractions:
280/336 + 588/336 = 280 + 588/336 = 868/336 - 868/336 simplified gives 31/12
- So, 70/84 + 28/16 = 31/12
In mixed form: 27/12
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