Add 60/40 and 4/70
1st number: 1 20/40, 2nd number: 4/70
60/40 + 4/70 is 109/70.
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,
60/40 = 60 × 7/40 × 7 = 420/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
4/70 = 4 × 4/70 × 4 = 16/280 - Add the two like fractions:
420/280 + 16/280 = 420 + 16/280 = 436/280 - 436/280 simplified gives 109/70
- So, 60/40 + 4/70 = 109/70
In mixed form: 139/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+8/70 60/80+4/70 60/40+12/70 60/40+20/70 60/40+28/70