Add 18/80 and 32/30
1st number: 18/80, 2nd number: 1 2/30
18/80 + 32/30 is 31/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
18/80 = 18 × 3/80 × 3 = 54/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
32/30 = 32 × 8/30 × 8 = 256/240 - Add the two like fractions:
54/240 + 256/240 = 54 + 256/240 = 310/240 - 310/240 simplified gives 31/24
- So, 18/80 + 32/30 = 31/24
In mixed form: 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/80+32/30 18/80+64/30 18/80+32/60 54/80+32/30 18/80+96/30 18/80+32/90 90/80+32/30