Add 42/16 and 2/5, Solve 2 10/16 + 2/5 as a fraction

Add 42/16 and 2/5

1^st number: 2 10/16, 2^nd number: 2/5

42/16 + 2/5 is 121/40.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 5 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 16 × 5 = 80,
42/16 = 42 × 5/16 × 5 = 210/80
Likewise, for the 2nd fraction, since 5 × 16 = 80,
2/5 = 2 × 16/5 × 16 = 32/80
Add the two like fractions:
210/80 + 32/80 = 210 + 32/80 = 242/80
242/80 simplified gives 121/40
So, 42/16 + 2/5 = 121/40
In mixed form: 31/40

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