Add 70/9 and 90/15
1st number: 7 7/9, 2nd number: 6 0/15
70/9 + 90/15 is 124/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
90/15 = 90 × 3/15 × 3 = 270/45 - Add the two like fractions:
350/45 + 270/45 = 350 + 270/45 = 620/45 - 620/45 simplified gives 124/9
- So, 70/9 + 90/15 = 124/9
In mixed form: 137/9
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