Add 90/18 and 15/30
1st number: 5 0/18, 2nd number: 15/30
90/18 + 15/30 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
15/30 = 15 × 3/30 × 3 = 45/90 - Add the two like fractions:
450/90 + 45/90 = 450 + 45/90 = 495/90 - 495/90 simplified gives 11/2
- So, 90/18 + 15/30 = 11/2
In mixed form: 51/2
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