Add 98/42 and 56/80, Solve 2 14/42 + 56/80 as a fraction

Add 98/42 and 56/80

1^st number: 2 14/42, 2^nd number: 56/80

98/42 + 56/80 is 91/30.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 42 × 40 = 1680,
98/42 = 98 × 40/42 × 40 = 3920/1680
Likewise, for the 2nd fraction, since 80 × 21 = 1680,
56/80 = 56 × 21/80 × 21 = 1176/1680
Add the two like fractions:
3920/1680 + 1176/1680 = 3920 + 1176/1680 = 5096/1680
5096/1680 simplified gives 91/30
So, 98/42 + 56/80 = 91/30
In mixed form: 31/30

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