Add 12/10 and 8/81
1st number: 1 2/10, 2nd number: 8/81
12/10 + 8/81 is 526/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
12/10 = 12 × 81/10 × 81 = 972/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
8/81 = 8 × 10/81 × 10 = 80/810 - Add the two like fractions:
972/810 + 80/810 = 972 + 80/810 = 1052/810 - 1052/810 simplified gives 526/405
- So, 12/10 + 8/81 = 526/405
In mixed form: 1121/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+8/81 12/10+16/81 12/20+8/81 36/10+8/81 12/10+24/81 12/30+8/81 60/10+8/81 12/10+40/81 12/50+8/81 84/10+8/81 12/10+56/81 12/70+8/81