Add 45/20 and 35/27
1st number: 2 5/20, 2nd number: 1 8/27
45/20 + 35/27 is 383/108.
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,
45/20 = 45 × 27/20 × 27 = 1215/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
35/27 = 35 × 20/27 × 20 = 700/540 - Add the two like fractions:
1215/540 + 700/540 = 1215 + 700/540 = 1915/540 - 1915/540 simplified gives 383/108
- So, 45/20 + 35/27 = 383/108
In mixed form: 359/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+35/27 45/20+70/27 45/40+35/27 45/20+35/54 45/60+35/27 45/20+35/81