Add 30/18 and 8/10
1st number: 1 12/18, 2nd number: 8/10
30/18 + 8/10 is 37/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
30/18 = 30 × 5/18 × 5 = 150/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
8/10 = 8 × 9/10 × 9 = 72/90 - Add the two like fractions:
150/90 + 72/90 = 150 + 72/90 = 222/90 - 222/90 simplified gives 37/15
- So, 30/18 + 8/10 = 37/15
In mixed form: 27/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+8/10 30/18+16/10 30/36+8/10 30/18+8/20 90/18+8/10 30/18+24/10 30/54+8/10 30/18+8/30 30/18+40/10 30/90+8/10 30/18+8/50 30/18+56/10 30/18+8/70