Add 4/16 and 20/30
4/16 + 20/30 is 11/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
4/16 = 4 × 15/16 × 15 = 60/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
20/30 = 20 × 8/30 × 8 = 160/240 - Add the two like fractions:
60/240 + 160/240 = 60 + 160/240 = 220/240 - 220/240 simplified gives 11/12
- So, 4/16 + 20/30 = 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16+20/30 4/16+40/30 4/32+20/30 4/16+20/60 12/16+20/30 4/16+60/30 4/48+20/30 4/16+20/90 20/16+20/30 4/80+20/30 28/16+20/30