Add 90/4 and 21/50
1st number: 22 2/4, 2nd number: 21/50
90/4 + 21/50 is 573/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
90/4 = 90 × 25/4 × 25 = 2250/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
21/50 = 21 × 2/50 × 2 = 42/100 - Add the two like fractions:
2250/100 + 42/100 = 2250 + 42/100 = 2292/100 - 2292/100 simplified gives 573/25
- So, 90/4 + 21/50 = 573/25
In mixed form: 2223/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+42/50 90/8+21/50 90/4+63/50 90/12+21/50 90/20+21/50 90/28+21/50