Add 6/70 and 15/72
6/70 + 15/72 is 247/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 70 × 36 = 2520,
6/70 = 6 × 36/70 × 36 = 216/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
15/72 = 15 × 35/72 × 35 = 525/2520 - Add the two like fractions:
216/2520 + 525/2520 = 216 + 525/2520 = 741/2520 - 741/2520 simplified gives 247/840
- So, 6/70 + 15/72 = 247/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70+15/72 6/70+30/72 18/70+15/72 6/70+45/72 30/70+15/72 6/70+75/72 42/70+15/72