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

Add 25/10 and 2/42

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

25/10 + 2/42 is 107/42.

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,
2/42 = 2 × 5/42 × 5 = 10/210
Add the two like fractions:
525/210 + 10/210 = 525 + 10/210 = 535/210
535/210 simplified gives 107/42
So, 25/10 + 2/42 = 107/42
In mixed form: 223/42

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad