Add 10/40 and 2/72
10/40 + 2/72 is 5/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
10/40 = 10 × 9/40 × 9 = 90/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360 - Add the two like fractions:
90/360 + 10/360 = 90 + 10/360 = 100/360 - 100/360 simplified gives 5/18
- So, 10/40 + 2/72 = 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+2/72 10/40+4/72 10/80+2/72 30/40+2/72 10/40+6/72 50/40+2/72 10/40+10/72 70/40+2/72 10/40+14/72