Add 15/30 and 7/18
15/30 + 7/18 is 8/9.
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,
7/18 = 7 × 5/18 × 5 = 35/90 - Add the two like fractions:
45/90 + 35/90 = 45 + 35/90 = 80/90 - 80/90 simplified gives 8/9
- So, 15/30 + 7/18 = 8/9
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