Add 12/7 and 40/56
1st number: 1 5/7, 2nd number: 40/56
12/7 + 40/56 is 17/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
12/7 = 12 × 8/7 × 8 = 96/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
40/56 = 40 × 1/56 × 1 = 40/56 - Add the two like fractions:
96/56 + 40/56 = 96 + 40/56 = 136/56 - 136/56 simplified gives 17/7
- So, 12/7 + 40/56 = 17/7
In mixed form: 23/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/7+40/56 12/7+80/56 12/14+40/56 36/7+40/56 12/21+40/56 60/7+40/56 12/35+40/56 84/7+40/56 12/49+40/56