Add 60/40 and 12/56
1st number: 1 20/40, 2nd number: 12/56
60/40 + 12/56 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 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 56 × 5 = 280,
12/56 = 12 × 5/56 × 5 = 60/280 - Add the two like fractions:
420/280 + 60/280 = 420 + 60/280 = 480/280 - 480/280 simplified gives 12/7
- So, 60/40 + 12/56 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+24/56 60/80+12/56 60/40+36/56 60/40+60/56 60/40+84/56