Add 14/15 and 98/21, Solve 14/15 + 4 14/21 as a fraction

Add 14/15 and 98/21

1^st number: 14/15, 2^nd number: 4 14/21

14/15 + 98/21 is 28/5.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
14/15 = 14 × 7/15 × 7 = 98/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
98/21 = 98 × 5/21 × 5 = 490/105
Add the two like fractions:
98/105 + 490/105 = 98 + 490/105 = 588/105
588/105 simplified gives 28/5
So, 14/15 + 98/21 = 28/5
In mixed form: 53/5

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