Add 12/30 and 9/80
12/30 + 9/80 is 41/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
12/30 = 12 × 8/30 × 8 = 96/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
9/80 = 9 × 3/80 × 3 = 27/240 - Add the two like fractions:
96/240 + 27/240 = 96 + 27/240 = 123/240 - 123/240 simplified gives 41/80
- So, 12/30 + 9/80 = 41/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30+9/80 12/30+18/80 12/60+9/80 36/30+9/80 12/30+27/80 12/90+9/80 60/30+9/80 12/30+45/80 84/30+9/80 12/30+63/80