Add 90/3 and 70/28
1st number: 30 0/3, 2nd number: 2 14/28
90/3 + 70/28 is 65/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
90/3 = 90 × 28/3 × 28 = 2520/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
70/28 = 70 × 3/28 × 3 = 210/84 - Add the two like fractions:
2520/84 + 210/84 = 2520 + 210/84 = 2730/84 - 2730/84 simplified gives 65/2
- So, 90/3 + 70/28 = 65/2
In mixed form: 321/2
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