Add 90/40 and 42/4, Solve 2 10/40 + 10 2/4 as a fraction

Add 90/40 and 42/4

1^st number: 2 10/40, 2^nd number: 10 2/4

90/40 + 42/4 is 51/4.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40

Next, find the equivalent fraction of both fractional numbers with denominator 40
For the 1st fraction, since 40 × 1 = 40,
90/40 = 90 × 1/40 × 1 = 90/40
Likewise, for the 2nd fraction, since 4 × 10 = 40,
42/4 = 42 × 10/4 × 10 = 420/40
Add the two like fractions:
90/40 + 420/40 = 90 + 420/40 = 510/40
510/40 simplified gives 51/4
So, 90/40 + 42/4 = 51/4
In mixed form: 123/4

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