Add 90/84 and 70/56
1st number: 1 6/84, 2nd number: 1 14/56
90/84 + 70/56 is 65/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
90/84 = 90 × 2/84 × 2 = 180/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
70/56 = 70 × 3/56 × 3 = 210/168 - Add the two like fractions:
180/168 + 210/168 = 180 + 210/168 = 390/168 - 390/168 simplified gives 65/28
- So, 90/84 + 70/56 = 65/28
In mixed form: 29/28
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