Add 18/7 and 45/18
1st number: 2 4/7, 2nd number: 2 9/18
18/7 + 45/18 is 71/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
18/7 = 18 × 18/7 × 18 = 324/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
45/18 = 45 × 7/18 × 7 = 315/126 - Add the two like fractions:
324/126 + 315/126 = 324 + 315/126 = 639/126 - 639/126 simplified gives 71/14
- So, 18/7 + 45/18 = 71/14
In mixed form: 51/14
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