Add 15/7 and 10/18, Solve 2 1/7 + 10/18 as a fraction

Add 15/7 and 10/18

1^st number: 2 1/7, 2^nd number: 10/18

15/7 + 10/18 is 170/63.

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,
15/7 = 15 × 18/7 × 18 = 270/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
10/18 = 10 × 7/18 × 7 = 70/126
Add the two like fractions:
270/126 + 70/126 = 270 + 70/126 = 340/126
340/126 simplified gives 170/63
So, 15/7 + 10/18 = 170/63
In mixed form: 244/63

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