Add 45/30 and 30/27
1st number: 1 15/30, 2nd number: 1 3/27
45/30 + 30/27 is 47/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
45/30 = 45 × 9/30 × 9 = 405/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
30/27 = 30 × 10/27 × 10 = 300/270 - Add the two like fractions:
405/270 + 300/270 = 405 + 300/270 = 705/270 - 705/270 simplified gives 47/18
- So, 45/30 + 30/27 = 47/18
In mixed form: 211/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+30/27 45/30+60/27 45/60+30/27 45/30+30/54 45/30+90/27 45/90+30/27 45/30+30/81