Add 14/81 and 12/40
14/81 + 12/40 is 383/810.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 40 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 81 × 40 = 3240,
14/81 = 14 × 40/81 × 40 = 560/3240 - Likewise, for the 2nd fraction, since 40 × 81 = 3240,
12/40 = 12 × 81/40 × 81 = 972/3240 - Add the two like fractions:
560/3240 + 972/3240 = 560 + 972/3240 = 1532/3240 - 1532/3240 simplified gives 383/810
- So, 14/81 + 12/40 = 383/810
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/81+12/40 14/81+24/40 14/81+12/80 42/81+12/40 14/81+36/40 70/81+12/40 14/81+60/40 98/81+12/40 14/81+84/40