Add 4/72 and 10/40
4/72 + 10/40 is 11/36.
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,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
10/40 = 10 × 9/40 × 9 = 90/360 - Add the two like fractions:
20/360 + 90/360 = 20 + 90/360 = 110/360 - 110/360 simplified gives 11/36
- So, 4/72 + 10/40 = 11/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72+10/40 4/72+20/40 4/72+10/80 12/72+10/40 4/72+30/40 20/72+10/40 4/72+50/40 28/72+10/40 4/72+70/40