Add 81/4 and 1/10
1st number: 20 1/4, 2nd number: 1/10
81/4 + 1/10 is 407/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
81/4 = 81 × 5/4 × 5 = 405/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
1/10 = 1 × 2/10 × 2 = 2/20 - Add the two like fractions:
405/20 + 2/20 = 405 + 2/20 = 407/20 - So, 81/4 + 1/10 = 407/20
In mixed form: 207/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4+2/10 81/8+1/10 81/4+1/20 81/4+3/10 81/12+1/10 81/4+1/30 81/4+5/10 81/20+1/10 81/4+1/50 81/4+7/10 81/28+1/10 81/4+1/70