Add 63/50 and 4/21, Solve 1 13/50 + 4/21 as a fraction

Add 63/50 and 4/21

1^st number: 1 13/50, 2^nd number: 4/21

63/50 + 4/21 is 1523/1050.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 50 × 21 = 1050,
63/50 = 63 × 21/50 × 21 = 1323/1050
Likewise, for the 2nd fraction, since 21 × 50 = 1050,
4/21 = 4 × 50/21 × 50 = 200/1050
Add the two like fractions:
1323/1050 + 200/1050 = 1323 + 200/1050 = 1523/1050
So, 63/50 + 4/21 = 1523/1050
In mixed form: 1473/1050

MathStep (Works offline)

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