Add 7/80 and 10/20
7/80 + 10/20 is 47/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
7/80 = 7 × 1/80 × 1 = 7/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
10/20 = 10 × 4/20 × 4 = 40/80 - Add the two like fractions:
7/80 + 40/80 = 7 + 40/80 = 47/80 - So, 7/80 + 10/20 = 47/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/80+10/20 7/80+10/40 21/80+10/20 7/80+30/20 7/80+10/60 35/80+10/20 7/80+50/20 49/80+10/20 7/80+70/20