Add 6/72 and 30/90
6/72 + 30/90 is 5/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
6/72 = 6 × 5/72 × 5 = 30/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
30/90 = 30 × 4/90 × 4 = 120/360 - Add the two like fractions:
30/360 + 120/360 = 30 + 120/360 = 150/360 - 150/360 simplified gives 5/12
- So, 6/72 + 30/90 = 5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/72+30/90 6/72+60/90 18/72+30/90 30/72+30/90 42/72+30/90