Add 12/10 and 4/90, Solve 1 2/10 + 4/90 as a fraction

Add 12/10 and 4/90

1^st number: 1 2/10, 2^nd number: 4/90

12/10 + 4/90 is 56/45.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 10 × 9 = 90,
12/10 = 12 × 9/10 × 9 = 108/90
Likewise, for the 2nd fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90
Add the two like fractions:
108/90 + 4/90 = 108 + 4/90 = 112/90
112/90 simplified gives 56/45
So, 12/10 + 4/90 = 56/45
In mixed form: 111/45

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