Add 10/40 and 42/16, Solve 10/40 + 2 10/16 as a fraction

Add 10/40 and 42/16

1^st number: 10/40, 2^nd number: 2 10/16

10/40 + 42/16 is 23/8.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 40 × 2 = 80,
10/40 = 10 × 2/40 × 2 = 20/80
Likewise, for the 2nd fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80
Add the two like fractions:
20/80 + 210/80 = 20 + 210/80 = 230/80
230/80 simplified gives 23/8
So, 10/40 + 42/16 = 23/8
In mixed form: 27/8

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