Add 98/80 and 10/42, Solve 1 18/80 + 10/42 as a fraction

Add 98/80 and 10/42

1^st number: 1 18/80, 2^nd number: 10/42

98/80 + 10/42 is 1229/840.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 80 × 21 = 1680,
98/80 = 98 × 21/80 × 21 = 2058/1680
Likewise, for the 2nd fraction, since 42 × 40 = 1680,
10/42 = 10 × 40/42 × 40 = 400/1680
Add the two like fractions:
2058/1680 + 400/1680 = 2058 + 400/1680 = 2458/1680
2458/1680 simplified gives 1229/840
So, 98/80 + 10/42 = 1229/840
In mixed form: 1389/840

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