Add 6/72 and 2/40
6/72 + 2/40 is 2/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 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 40 × 9 = 360,
2/40 = 2 × 9/40 × 9 = 18/360 - Add the two like fractions:
30/360 + 18/360 = 30 + 18/360 = 48/360 - 48/360 simplified gives 2/15
- So, 6/72 + 2/40 = 2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/72+2/40 6/72+4/40 6/72+2/80 18/72+2/40 6/72+6/40 30/72+2/40 6/72+10/40 42/72+2/40 6/72+14/40