Add 42/81 and 1/10
42/81 + 1/10 is 167/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
42/81 = 42 × 10/81 × 10 = 420/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
1/10 = 1 × 81/10 × 81 = 81/810 - Add the two like fractions:
420/810 + 81/810 = 420 + 81/810 = 501/810 - 501/810 simplified gives 167/270
- So, 42/81 + 1/10 = 167/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/81+1/10 42/81+2/10 42/81+1/20 42/81+3/10 42/81+1/30 42/81+5/10 42/81+1/50 42/81+7/10 42/81+1/70