Add 98/21 and 40/42, Solve 4 14/21 + 40/42 as a fraction

Add 98/21 and 40/42

1^st number: 4 14/21, 2^nd number: 40/42

98/21 + 40/42 is 118/21.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
98/21 = 98 × 2/21 × 2 = 196/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
40/42 = 40 × 1/42 × 1 = 40/42
Add the two like fractions:
196/42 + 40/42 = 196 + 40/42 = 236/42
236/42 simplified gives 118/21
So, 98/21 + 40/42 = 118/21
In mixed form: 513/21

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