Add 25/10 and 3/84, Solve 2 5/10 + 3/84 as a fraction

Add 25/10 and 3/84

1^st number: 2 5/10, 2^nd number: 3/84

25/10 + 3/84 is 71/28.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 10 × 42 = 420,
25/10 = 25 × 42/10 × 42 = 1050/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
3/84 = 3 × 5/84 × 5 = 15/420
Add the two like fractions:
1050/420 + 15/420 = 1050 + 15/420 = 1065/420
1065/420 simplified gives 71/28
So, 25/10 + 3/84 = 71/28
In mixed form: 215/28

MathStep (Works offline)

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