Add 25/10 and 40/42, Solve 2 5/10 + 40/42 as a fraction

Add 25/10 and 40/42

1^st number: 2 5/10, 2^nd number: 40/42

25/10 + 40/42 is 145/42.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
25/10 = 25 × 21/10 × 21 = 525/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
40/42 = 40 × 5/42 × 5 = 200/210
Add the two like fractions:
525/210 + 200/210 = 525 + 200/210 = 725/210
725/210 simplified gives 145/42
So, 25/10 + 40/42 = 145/42
In mixed form: 319/42

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