Add 15/70 and 28/18, Solve 15/70 + 1 10/18 as a fraction

Add 15/70 and 28/18

1^st number: 15/70, 2^nd number: 1 10/18

15/70 + 28/18 is 223/126.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
15/70 = 15 × 9/70 × 9 = 135/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
28/18 = 28 × 35/18 × 35 = 980/630
Add the two like fractions:
135/630 + 980/630 = 135 + 980/630 = 1115/630
1115/630 simplified gives 223/126
So, 15/70 + 28/18 = 223/126
In mixed form: 197/126

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