Add 18/70 and 98/12, Solve 18/70 + 8 2/12 as a fraction

Add 18/70 and 98/12

1^st number: 18/70, 2^nd number: 8 2/12

18/70 + 98/12 is 1769/210.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 70 × 6 = 420,
18/70 = 18 × 6/70 × 6 = 108/420
Likewise, for the 2nd fraction, since 12 × 35 = 420,
98/12 = 98 × 35/12 × 35 = 3430/420
Add the two like fractions:
108/420 + 3430/420 = 108 + 3430/420 = 3538/420
3538/420 simplified gives 1769/210
So, 18/70 + 98/12 = 1769/210
In mixed form: 889/210

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