Add 90/20 and 16/25
1st number: 4 10/20, 2nd number: 16/25
90/20 + 16/25 is 257/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
90/20 = 90 × 5/20 × 5 = 450/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
16/25 = 16 × 4/25 × 4 = 64/100 - Add the two like fractions:
450/100 + 64/100 = 450 + 64/100 = 514/100 - 514/100 simplified gives 257/50
- So, 90/20 + 16/25 = 257/50
In mixed form: 57/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+32/25 90/40+16/25 90/20+16/50 90/20+48/25 90/60+16/25 90/20+16/75 90/20+80/25