Add 42/10 and 14/81
1st number: 4 2/10, 2nd number: 14/81
42/10 + 14/81 is 1771/405.
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,
42/10 = 42 × 81/10 × 81 = 3402/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
14/81 = 14 × 10/81 × 10 = 140/810 - Add the two like fractions:
3402/810 + 140/810 = 3402 + 140/810 = 3542/810 - 3542/810 simplified gives 1771/405
- So, 42/10 + 14/81 = 1771/405
In mixed form: 4151/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+14/81 42/10+28/81 42/20+14/81 42/10+42/81 42/30+14/81 42/10+70/81 42/50+14/81 42/10+98/81 42/70+14/81