Add 90/6 and 28/63, Solve 15 0/6 + 28/63 as a fraction

Add 90/6 and 28/63

1^st number: 15 0/6, 2^nd number: 28/63

90/6 + 28/63 is 139/9.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 6 × 21 = 126,
90/6 = 90 × 21/6 × 21 = 1890/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
28/63 = 28 × 2/63 × 2 = 56/126
Add the two like fractions:
1890/126 + 56/126 = 1890 + 56/126 = 1946/126
1946/126 simplified gives 139/9
So, 90/6 + 28/63 = 139/9
In mixed form: 154/9

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