Add 36/28 and 4/21, Solve 1 8/28 + 4/21 as a fraction

Add 36/28 and 4/21

1^st number: 1 8/28, 2^nd number: 4/21

36/28 + 4/21 is 31/21.

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

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
36/28 = 36 × 3/28 × 3 = 108/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
4/21 = 4 × 4/21 × 4 = 16/84
Add the two like fractions:
108/84 + 16/84 = 108 + 16/84 = 124/84
124/84 simplified gives 31/21
So, 36/28 + 4/21 = 31/21
In mixed form: 110/21

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