Add 90/30 and 16/20
1st number: 3 0/30, 2nd number: 16/20
90/30 + 16/20 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
90/30 = 90 × 2/30 × 2 = 180/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
16/20 = 16 × 3/20 × 3 = 48/60 - Add the two like fractions:
180/60 + 48/60 = 180 + 48/60 = 228/60 - 228/60 simplified gives 19/5
- So, 90/30 + 16/20 = 19/5
In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+32/20 90/60+16/20 90/30+16/40 90/30+48/20 90/30+16/60 90/30+80/20