Add 90/10 and 18/42, Solve 9 0/10 + 18/42 as a fraction

Add 90/10 and 18/42

1^st number: 9 0/10, 2^nd number: 18/42

90/10 + 18/42 is 66/7.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
90/10 = 90 × 21/10 × 21 = 1890/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
18/42 = 18 × 5/42 × 5 = 90/210
Add the two like fractions:
1890/210 + 90/210 = 1890 + 90/210 = 1980/210
1980/210 simplified gives 66/7
So, 90/10 + 18/42 = 66/7
In mixed form: 93/7

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