Add 28/15 and 98/84, Solve 1 13/15 + 1 14/84 as a fraction

Add 28/15 and 98/84

1^st number: 1 13/15, 2^nd number: 1 14/84

28/15 + 98/84 is 91/30.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 15 × 28 = 420,
28/15 = 28 × 28/15 × 28 = 784/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
98/84 = 98 × 5/84 × 5 = 490/420
Add the two like fractions:
784/420 + 490/420 = 784 + 490/420 = 1274/420
1274/420 simplified gives 91/30
So, 28/15 + 98/84 = 91/30
In mixed form: 31/30

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