Add 30/18 and 20/7
1st number: 1 12/18, 2nd number: 2 6/7
30/18 + 20/7 is 95/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
20/7 = 20 × 18/7 × 18 = 360/126 - Add the two like fractions:
210/126 + 360/126 = 210 + 360/126 = 570/126 - 570/126 simplified gives 95/21
- So, 30/18 + 20/7 = 95/21
In mixed form: 411/21
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