Add 7/20 and 30/27
1st number: 7/20, 2nd number: 1 3/27
7/20 + 30/27 is 263/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
7/20 = 7 × 27/20 × 27 = 189/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
30/27 = 30 × 20/27 × 20 = 600/540 - Add the two like fractions:
189/540 + 600/540 = 189 + 600/540 = 789/540 - 789/540 simplified gives 263/180
- So, 7/20 + 30/27 = 263/180
In mixed form: 183/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+30/27 7/20+60/27 7/40+30/27 7/20+30/54 21/20+30/27 7/20+90/27 7/60+30/27 7/20+30/81 35/20+30/27 49/20+30/27