Add 30/18 and 40/45
1st number: 1 12/18, 2nd number: 40/45
30/18 + 40/45 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
30/18 = 30 × 5/18 × 5 = 150/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
40/45 = 40 × 2/45 × 2 = 80/90 - Add the two like fractions:
150/90 + 80/90 = 150 + 80/90 = 230/90 - 230/90 simplified gives 23/9
- So, 30/18 + 40/45 = 23/9
In mixed form: 25/9
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