Add 10/40 and 21/10, Solve 10/40 + 2 1/10 as a fraction

Add 10/40 and 21/10

1^st number: 10/40, 2^nd number: 2 1/10

10/40 + 21/10 is 47/20.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40

Next, find the equivalent fraction of both fractional numbers with denominator 40
For the 1st fraction, since 40 × 1 = 40,
10/40 = 10 × 1/40 × 1 = 10/40
Likewise, for the 2nd fraction, since 10 × 4 = 40,
21/10 = 21 × 4/10 × 4 = 84/40
Add the two like fractions:
10/40 + 84/40 = 10 + 84/40 = 94/40
94/40 simplified gives 47/20
So, 10/40 + 21/10 = 47/20
In mixed form: 27/20

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