Add 40/72 and 27/70
40/72 + 27/70 is 593/630.
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,
40/72 = 40 × 35/72 × 35 = 1400/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
27/70 = 27 × 36/70 × 36 = 972/2520 - Add the two like fractions:
1400/2520 + 972/2520 = 1400 + 972/2520 = 2372/2520 - 2372/2520 simplified gives 593/630
- So, 40/72 + 27/70 = 593/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/72+27/70 40/72+54/70 40/72+81/70