Add 72/40 and 6/70
1st number: 1 32/40, 2nd number: 6/70
72/40 + 6/70 is 66/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
72/40 = 72 × 7/40 × 7 = 504/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
6/70 = 6 × 4/70 × 4 = 24/280 - Add the two like fractions:
504/280 + 24/280 = 504 + 24/280 = 528/280 - 528/280 simplified gives 66/35
- So, 72/40 + 6/70 = 66/35
In mixed form: 131/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+12/70 72/80+6/70 72/40+18/70 72/40+30/70 72/40+42/70