Add 28/18 and 12/70, Solve 1 10/18 + 12/70 as a fraction

Add 28/18 and 12/70

1^st number: 1 10/18, 2^nd number: 12/70

28/18 + 12/70 is 544/315.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
28/18 = 28 × 35/18 × 35 = 980/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
12/70 = 12 × 9/70 × 9 = 108/630
Add the two like fractions:
980/630 + 108/630 = 980 + 108/630 = 1088/630
1088/630 simplified gives 544/315
So, 28/18 + 12/70 = 544/315
In mixed form: 1229/315

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