Add 18/30 and 10/72
18/30 + 10/72 is 133/180.
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,
18/30 = 18 × 12/30 × 12 = 216/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360 - Add the two like fractions:
216/360 + 50/360 = 216 + 50/360 = 266/360 - 266/360 simplified gives 133/180
- So, 18/30 + 10/72 = 133/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+10/72 18/30+20/72 18/60+10/72 54/30+10/72 18/30+30/72 18/90+10/72 90/30+10/72 18/30+50/72 18/30+70/72