Add 45/21 and 75/50
1st number: 2 3/21, 2nd number: 1 25/50
45/21 + 75/50 is 51/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
45/21 = 45 × 50/21 × 50 = 2250/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
75/50 = 75 × 21/50 × 21 = 1575/1050 - Add the two like fractions:
2250/1050 + 1575/1050 = 2250 + 1575/1050 = 3825/1050 - 3825/1050 simplified gives 51/14
- So, 45/21 + 75/50 = 51/14
In mixed form: 39/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+75/50 45/42+75/50 45/63+75/50