Add 81/50 and 15/8
1st number: 1 31/50, 2nd number: 1 7/8
81/50 + 15/8 is 699/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
81/50 = 81 × 4/50 × 4 = 324/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
15/8 = 15 × 25/8 × 25 = 375/200 - Add the two like fractions:
324/200 + 375/200 = 324 + 375/200 = 699/200 - So, 81/50 + 15/8 = 699/200
In mixed form: 399/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/50+30/8 81/50+15/16 81/50+45/8 81/50+15/24 81/50+75/8 81/50+15/40 81/50+15/56