Add 36/50 and 72/21
1st number: 36/50, 2nd number: 3 9/21
36/50 + 72/21 is 726/175.
Steps for adding fractions
- 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,
36/50 = 36 × 21/50 × 21 = 756/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
72/21 = 72 × 50/21 × 50 = 3600/1050 - Add the two like fractions:
756/1050 + 3600/1050 = 756 + 3600/1050 = 4356/1050 - 4356/1050 simplified gives 726/175
- So, 36/50 + 72/21 = 726/175
In mixed form: 426/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/50+72/21 36/50+72/42 36/50+72/63