Add 80/70 and 98/42, Solve 1 10/70 + 2 14/42 as a fraction

Add 80/70 and 98/42

1^st number: 1 10/70, 2^nd number: 2 14/42

80/70 + 98/42 is 73/21.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
80/70 = 80 × 3/70 × 3 = 240/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
98/42 = 98 × 5/42 × 5 = 490/210
Add the two like fractions:
240/210 + 490/210 = 240 + 490/210 = 730/210
730/210 simplified gives 73/21
So, 80/70 + 98/42 = 73/21
In mixed form: 310/21

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