Add 5/72 and 40/70
5/72 + 40/70 is 323/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
5/72 = 5 × 35/72 × 35 = 175/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
40/70 = 40 × 36/70 × 36 = 1440/2520 - Add the two like fractions:
175/2520 + 1440/2520 = 175 + 1440/2520 = 1615/2520 - 1615/2520 simplified gives 323/504
- So, 5/72 + 40/70 = 323/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72+40/70 5/72+80/70 15/72+40/70 25/72+40/70 35/72+40/70