Add 6/16 and 42/40, Solve 6/16 + 1 2/40 as a fraction

Add 6/16 and 42/40

1^st number: 6/16, 2^nd number: 1 2/40

6/16 + 42/40 is 57/40.

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

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 16 × 5 = 80,
6/16 = 6 × 5/16 × 5 = 30/80
Likewise, for the 2nd fraction, since 40 × 2 = 80,
42/40 = 42 × 2/40 × 2 = 84/80
Add the two like fractions:
30/80 + 84/80 = 30 + 84/80 = 114/80
114/80 simplified gives 57/40
So, 6/16 + 42/40 = 57/40
In mixed form: 117/40

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