Add 28/15 and 70/9
1st number: 1 13/15, 2nd number: 7 7/9
28/15 + 70/9 is 434/45.
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,
28/15 = 28 × 3/15 × 3 = 84/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Add the two like fractions:
84/45 + 350/45 = 84 + 350/45 = 434/45 - So, 28/15 + 70/9 = 434/45
In mixed form: 929/45
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