Add 20/30 and 18/16
1st number: 20/30, 2nd number: 1 2/16
20/30 + 18/16 is 43/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
20/30 = 20 × 8/30 × 8 = 160/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
18/16 = 18 × 15/16 × 15 = 270/240 - Add the two like fractions:
160/240 + 270/240 = 160 + 270/240 = 430/240 - 430/240 simplified gives 43/24
- So, 20/30 + 18/16 = 43/24
In mixed form: 119/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/30+18/16 20/30+36/16 20/60+18/16 20/30+18/32 60/30+18/16 20/30+54/16 20/90+18/16 20/30+18/48 20/30+90/16 20/30+18/80