Add 90/21 and 3/50
1st number: 4 6/21, 2nd number: 3/50
90/21 + 3/50 is 1521/350.
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,
90/21 = 90 × 50/21 × 50 = 4500/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
3/50 = 3 × 21/50 × 21 = 63/1050 - Add the two like fractions:
4500/1050 + 63/1050 = 4500 + 63/1050 = 4563/1050 - 4563/1050 simplified gives 1521/350
- So, 90/21 + 3/50 = 1521/350
In mixed form: 4121/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+6/50 90/42+3/50 90/21+9/50 90/63+3/50 90/21+15/50 90/21+21/50