Add 7/20 and 12/24
7/20 + 12/24 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
7/20 = 7 × 6/20 × 6 = 42/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
12/24 = 12 × 5/24 × 5 = 60/120 - Add the two like fractions:
42/120 + 60/120 = 42 + 60/120 = 102/120 - 102/120 simplified gives 17/20
- So, 7/20 + 12/24 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+12/24 7/40+12/24 7/20+12/48 21/20+12/24 7/20+36/24 7/60+12/24 7/20+12/72 35/20+12/24 7/20+60/24 49/20+12/24 7/20+84/24