Add 12/56 and 6/40
12/56 + 6/40 is 51/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
12/56 = 12 × 5/56 × 5 = 60/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
6/40 = 6 × 7/40 × 7 = 42/280 - Add the two like fractions:
60/280 + 42/280 = 60 + 42/280 = 102/280 - 102/280 simplified gives 51/140
- So, 12/56 + 6/40 = 51/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56+6/40 12/56+12/40 12/56+6/80 36/56+6/40 12/56+18/40 60/56+6/40 12/56+30/40 84/56+6/40 12/56+42/40