Add 15/30 and 70/18
1st number: 15/30, 2nd number: 3 16/18
15/30 + 70/18 is 79/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
15/30 = 15 × 3/30 × 3 = 45/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Add the two like fractions:
45/90 + 350/90 = 45 + 350/90 = 395/90 - 395/90 simplified gives 79/18
- So, 15/30 + 70/18 = 79/18
In mixed form: 47/18
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