Add 18/12 and 80/70, Solve 1 6/12 + 1 10/70 as a fraction

Add 18/12 and 80/70

1^st number: 1 6/12, 2^nd number: 1 10/70

18/12 + 80/70 is 37/14.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
18/12 = 18 × 35/12 × 35 = 630/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
80/70 = 80 × 6/70 × 6 = 480/420
Add the two like fractions:
630/420 + 480/420 = 630 + 480/420 = 1110/420
1110/420 simplified gives 37/14
So, 18/12 + 80/70 = 37/14
In mixed form: 29/14

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