Add 7/20 and 12/25
7/20 + 12/25 is 83/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
7/20 = 7 × 5/20 × 5 = 35/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
12/25 = 12 × 4/25 × 4 = 48/100 - Add the two like fractions:
35/100 + 48/100 = 35 + 48/100 = 83/100 - So, 7/20 + 12/25 = 83/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+12/25 7/20+24/25 7/40+12/25 7/20+12/50 21/20+12/25 7/20+36/25 7/60+12/25 7/20+12/75 35/20+12/25 7/20+60/25 49/20+12/25 7/20+84/25