Add 70/15 and 28/9
1st number: 4 10/15, 2nd number: 3 1/9
70/15 + 28/9 is 70/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
70/15 = 70 × 3/15 × 3 = 210/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
28/9 = 28 × 5/9 × 5 = 140/45 - Add the two like fractions:
210/45 + 140/45 = 210 + 140/45 = 350/45 - 350/45 simplified gives 70/9
- So, 70/15 + 28/9 = 70/9
In mixed form: 77/9
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