Add 21/36 and 98/50, Solve 21/36 + 1 48/50 as a fraction

Add 21/36 and 98/50

1^st number: 21/36, 2^nd number: 1 48/50

21/36 + 98/50 is 763/300.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 50 is 900

Next, find the equivalent fraction of both fractional numbers with denominator 900
For the 1st fraction, since 36 × 25 = 900,
21/36 = 21 × 25/36 × 25 = 525/900
Likewise, for the 2nd fraction, since 50 × 18 = 900,
98/50 = 98 × 18/50 × 18 = 1764/900
Add the two like fractions:
525/900 + 1764/900 = 525 + 1764/900 = 2289/900
2289/900 simplified gives 763/300
So, 21/36 + 98/50 = 763/300
In mixed form: 2163/300

MathStep (Works offline)

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