Add 25/14 and 21/84, Solve 1 11/14 + 21/84 as a fraction

Add 25/14 and 21/84

1^st number: 1 11/14, 2^nd number: 21/84

25/14 + 21/84 is 57/28.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 14 × 6 = 84,
25/14 = 25 × 6/14 × 6 = 150/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84
Add the two like fractions:
150/84 + 21/84 = 150 + 21/84 = 171/84
171/84 simplified gives 57/28
So, 25/14 + 21/84 = 57/28
In mixed form: 21/28

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