Add 30/28 and 50/21, Solve 1 2/28 + 2 8/21 as a fraction

Add 30/28 and 50/21

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

30/28 + 50/21 is 145/42.

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,
30/28 = 30 × 3/28 × 3 = 90/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
50/21 = 50 × 4/21 × 4 = 200/84
Add the two like fractions:
90/84 + 200/84 = 90 + 200/84 = 290/84
290/84 simplified gives 145/42
So, 30/28 + 50/21 = 145/42
In mixed form: 319/42

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