Add 28/84 and 98/15, Solve 28/84 + 6 8/15 as a fraction

Add 28/84 and 98/15

1^st number: 28/84, 2^nd number: 6 8/15

28/84 + 98/15 is 103/15.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
28/84 = 28 × 5/84 × 5 = 140/420
Likewise, for the 2nd fraction, since 15 × 28 = 420,
98/15 = 98 × 28/15 × 28 = 2744/420
Add the two like fractions:
140/420 + 2744/420 = 140 + 2744/420 = 2884/420
2884/420 simplified gives 103/15
So, 28/84 + 98/15 = 103/15
In mixed form: 613/15

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