Add 60/40 and 72/35
1st number: 1 20/40, 2nd number: 2 2/35
60/40 + 72/35 is 249/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
60/40 = 60 × 7/40 × 7 = 420/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
72/35 = 72 × 8/35 × 8 = 576/280 - Add the two like fractions:
420/280 + 576/280 = 420 + 576/280 = 996/280 - 996/280 simplified gives 249/70
- So, 60/40 + 72/35 = 249/70
In mixed form: 339/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+72/35 60/40+72/70