Add 9/30 and 8/12
9/30 + 8/12 is 29/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
9/30 = 9 × 2/30 × 2 = 18/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60 - Add the two like fractions:
18/60 + 40/60 = 18 + 40/60 = 58/60 - 58/60 simplified gives 29/30
- So, 9/30 + 8/12 = 29/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+8/12 9/30+16/12 9/60+8/12 9/30+8/24 27/30+8/12 9/30+24/12 9/90+8/12 9/30+8/36 45/30+8/12 9/30+40/12 9/30+8/60 63/30+8/12 9/30+56/12 9/30+8/84