Add 18/30 and 7/72
18/30 + 7/72 is 251/360.
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,
7/72 = 7 × 5/72 × 5 = 35/360 - Add the two like fractions:
216/360 + 35/360 = 216 + 35/360 = 251/360 - So, 18/30 + 7/72 = 251/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+7/72 18/30+14/72 18/60+7/72 54/30+7/72 18/30+21/72 18/90+7/72 90/30+7/72 18/30+35/72 18/30+49/72