Add 5/21 and 98/28, Solve 5/21 + 3 14/28 as a fraction

Add 5/21 and 98/28

1^st number: 5/21, 2^nd number: 3 14/28

5/21 + 98/28 is 157/42.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
5/21 = 5 × 4/21 × 4 = 20/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
98/28 = 98 × 3/28 × 3 = 294/84
Add the two like fractions:
20/84 + 294/84 = 20 + 294/84 = 314/84
314/84 simplified gives 157/42
So, 5/21 + 98/28 = 157/42
In mixed form: 331/42

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