Add 81/10 and 25/15
1st number: 8 1/10, 2nd number: 1 10/15
81/10 + 25/15 is 293/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
81/10 = 81 × 3/10 × 3 = 243/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
25/15 = 25 × 2/15 × 2 = 50/30 - Add the two like fractions:
243/30 + 50/30 = 243 + 50/30 = 293/30 - So, 81/10 + 25/15 = 293/30
In mixed form: 923/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+50/15 81/20+25/15 81/10+25/30 81/10+75/15 81/30+25/15 81/10+25/45 81/50+25/15 81/10+25/75 81/70+25/15