Add 90/6 and 6/20, Solve 15 0/6 + 6/20 as a fraction

Add 90/6 and 6/20

1^st number: 15 0/6, 2^nd number: 6/20

90/6 + 6/20 is 153/10.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 6 × 10 = 60,
90/6 = 90 × 10/6 × 10 = 900/60
Likewise, for the 2nd fraction, since 20 × 3 = 60,
6/20 = 6 × 3/20 × 3 = 18/60
Add the two like fractions:
900/60 + 18/60 = 900 + 18/60 = 918/60
918/60 simplified gives 153/10
So, 90/6 + 6/20 = 153/10
In mixed form: 153/10

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