Add 8/72 and 35/40
8/72 + 35/40 is 71/72.
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,
8/72 = 8 × 5/72 × 5 = 40/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
35/40 = 35 × 9/40 × 9 = 315/360 - Add the two like fractions:
40/360 + 315/360 = 40 + 315/360 = 355/360 - 355/360 simplified gives 71/72
- So, 8/72 + 35/40 = 71/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72+35/40 8/72+70/40 8/72+35/80 24/72+35/40 40/72+35/40 56/72+35/40