Add 42/15 and 35/25, Solve 2 12/15 + 1 10/25 as a fraction

Add 42/15 and 35/25

1^st number: 2 12/15, 2^nd number: 1 10/25

42/15 + 35/25 is 21/5.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 25 is 75

Next, find the equivalent fraction of both fractional numbers with denominator 75
For the 1st fraction, since 15 × 5 = 75,
42/15 = 42 × 5/15 × 5 = 210/75
Likewise, for the 2nd fraction, since 25 × 3 = 75,
35/25 = 35 × 3/25 × 3 = 105/75
Add the two like fractions:
210/75 + 105/75 = 210 + 105/75 = 315/75
315/75 simplified gives 21/5
So, 42/15 + 35/25 = 21/5
In mixed form: 41/5

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