Add 28/35 and 72/30, Solve 28/35 + 2 12/30 as a fraction

Add 28/35 and 72/30

1^st number: 28/35, 2^nd number: 2 12/30

28/35 + 72/30 is 16/5.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 35 × 6 = 210,
28/35 = 28 × 6/35 × 6 = 168/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210
Add the two like fractions:
168/210 + 504/210 = 168 + 504/210 = 672/210
672/210 simplified gives 16/5
So, 28/35 + 72/30 = 16/5
In mixed form: 31/5

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