Add 12/56 and 36/81
12/56 + 36/81 is 83/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 81 is 4536
Next, find the equivalent fraction of both fractional numbers with denominator 4536 - For the 1st fraction, since 56 × 81 = 4536,
12/56 = 12 × 81/56 × 81 = 972/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
36/81 = 36 × 56/81 × 56 = 2016/4536 - Add the two like fractions:
972/4536 + 2016/4536 = 972 + 2016/4536 = 2988/4536 - 2988/4536 simplified gives 83/126
- So, 12/56 + 36/81 = 83/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/56+36/81 12/56+72/81 36/56+36/81 60/56+36/81 84/56+36/81