Add 18/9 and 72/30
1st number: 2 0/9, 2nd number: 2 12/30
18/9 + 72/30 is 22/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
18/9 = 18 × 10/9 × 10 = 180/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
72/30 = 72 × 3/30 × 3 = 216/90 - Add the two like fractions:
180/90 + 216/90 = 180 + 216/90 = 396/90 - 396/90 simplified gives 22/5
- So, 18/9 + 72/30 = 22/5
In mixed form: 42/5
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