Add 90/14 and 72/30, Solve 6 6/14 + 2 12/30 as a fraction

Add 90/14 and 72/30

1^st number: 6 6/14, 2^nd number: 2 12/30

90/14 + 72/30 is 309/35.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 14 × 15 = 210,
90/14 = 90 × 15/14 × 15 = 1350/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210
Add the two like fractions:
1350/210 + 504/210 = 1350 + 504/210 = 1854/210
1854/210 simplified gives 309/35
So, 90/14 + 72/30 = 309/35
In mixed form: 829/35

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