Add 70/35 and 27/72
1st number: 2 0/35, 2nd number: 27/72
70/35 + 27/72 is 19/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
70/35 = 70 × 72/35 × 72 = 5040/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
27/72 = 27 × 35/72 × 35 = 945/2520 - Add the two like fractions:
5040/2520 + 945/2520 = 5040 + 945/2520 = 5985/2520 - 5985/2520 simplified gives 19/8
- So, 70/35 + 27/72 = 19/8
In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/35+54/72 70/35+81/72