Add 98/12 and 20/70, Solve 8 2/12 + 20/70 as a fraction

Add 98/12 and 20/70

1^st number: 8 2/12, 2^nd number: 20/70

98/12 + 20/70 is 355/42.

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,
98/12 = 98 × 35/12 × 35 = 3430/420
Likewise, for the 2nd fraction, since 70 × 6 = 420,
20/70 = 20 × 6/70 × 6 = 120/420
Add the two like fractions:
3430/420 + 120/420 = 3430 + 120/420 = 3550/420
3550/420 simplified gives 355/42
So, 98/12 + 20/70 = 355/42
In mixed form: 819/42

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