Add 20/28 and 90/84, Solve 20/28 + 1 6/84 as a fraction

Add 20/28 and 90/84

1^st number: 20/28, 2^nd number: 1 6/84

20/28 + 90/84 is 25/14.

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

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
20/28 = 20 × 3/28 × 3 = 60/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84
Add the two like fractions:
60/84 + 90/84 = 60 + 90/84 = 150/84
150/84 simplified gives 25/14
So, 20/28 + 90/84 = 25/14
In mixed form: 111/14

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