Add 10/8 and 25/30
1st number: 1 2/8, 2nd number: 25/30
10/8 + 25/30 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
10/8 = 10 × 15/8 × 15 = 150/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
25/30 = 25 × 4/30 × 4 = 100/120 - Add the two like fractions:
150/120 + 100/120 = 150 + 100/120 = 250/120 - 250/120 simplified gives 25/12
- So, 10/8 + 25/30 = 25/12
In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+25/30 10/8+50/30 10/16+25/30 10/8+25/60 30/8+25/30 10/8+75/30 10/24+25/30 10/8+25/90 50/8+25/30 10/40+25/30 70/8+25/30 10/56+25/30