Add 70/18 and 18/15
1st number: 3 16/18, 2nd number: 1 3/15
70/18 + 18/15 is 229/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
18/15 = 18 × 6/15 × 6 = 108/90 - Add the two like fractions:
350/90 + 108/90 = 350 + 108/90 = 458/90 - 458/90 simplified gives 229/45
- So, 70/18 + 18/15 = 229/45
In mixed form: 54/45
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