Add 90/28 and 28/63, Solve 3 6/28 + 28/63 as a fraction

Add 90/28 and 28/63

1^st number: 3 6/28, 2^nd number: 28/63

90/28 + 28/63 is 461/126.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
28/63 = 28 × 4/63 × 4 = 112/252
Add the two like fractions:
810/252 + 112/252 = 810 + 112/252 = 922/252
922/252 simplified gives 461/126
So, 90/28 + 28/63 = 461/126
In mixed form: 383/126

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