Add 72/30 and 30/8, Solve 2 12/30 + 3 6/8 as a fraction

Add 72/30 and 30/8

1^st number: 2 12/30, 2^nd number: 3 6/8

72/30 + 30/8 is 123/20.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 30 × 4 = 120,
72/30 = 72 × 4/30 × 4 = 288/120
Likewise, for the 2nd fraction, since 8 × 15 = 120,
30/8 = 30 × 15/8 × 15 = 450/120
Add the two like fractions:
288/120 + 450/120 = 288 + 450/120 = 738/120
738/120 simplified gives 123/20
So, 72/30 + 30/8 = 123/20
In mixed form: 63/20

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