Add 8/56 and 12/81
8/56 + 12/81 is 55/189.
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,
8/56 = 8 × 81/56 × 81 = 648/4536 - Likewise, for the 2nd fraction, since 81 × 56 = 4536,
12/81 = 12 × 56/81 × 56 = 672/4536 - Add the two like fractions:
648/4536 + 672/4536 = 648 + 672/4536 = 1320/4536 - 1320/4536 simplified gives 55/189
- So, 8/56 + 12/81 = 55/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/56+12/81 8/56+24/81 24/56+12/81 8/56+36/81 40/56+12/81 8/56+60/81 8/56+84/81