Add 16/30 and 20/72
16/30 + 20/72 is 73/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
16/30 = 16 × 12/30 × 12 = 192/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Add the two like fractions:
192/360 + 100/360 = 192 + 100/360 = 292/360 - 292/360 simplified gives 73/90
- So, 16/30 + 20/72 = 73/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/30+20/72 16/30+40/72 16/60+20/72 48/30+20/72 16/30+60/72 16/90+20/72 80/30+20/72