Add 63/21 and 10/25
1st number: 3 0/21, 2nd number: 10/25
63/21 + 10/25 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
63/21 = 63 × 25/21 × 25 = 1575/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
10/25 = 10 × 21/25 × 21 = 210/525 - Add the two like fractions:
1575/525 + 210/525 = 1575 + 210/525 = 1785/525 - 1785/525 simplified gives 17/5
- So, 63/21 + 10/25 = 17/5
In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21+20/25 63/42+10/25 63/21+10/50 63/21+30/25 63/21+10/75 63/21+50/25 63/21+70/25