Add 27/72 and 3/70
27/72 + 3/70 is 117/280.
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,
27/72 = 27 × 35/72 × 35 = 945/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
3/70 = 3 × 36/70 × 36 = 108/2520 - Add the two like fractions:
945/2520 + 108/2520 = 945 + 108/2520 = 1053/2520 - 1053/2520 simplified gives 117/280
- So, 27/72 + 3/70 = 117/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+3/70 27/72+6/70 81/72+3/70 27/72+9/70 27/72+15/70 27/72+21/70