Add 75/27 and 8/20
1st number: 2 21/27, 2nd number: 8/20
75/27 + 8/20 is 143/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
75/27 = 75 × 20/27 × 20 = 1500/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
8/20 = 8 × 27/20 × 27 = 216/540 - Add the two like fractions:
1500/540 + 216/540 = 1500 + 216/540 = 1716/540 - 1716/540 simplified gives 143/45
- So, 75/27 + 8/20 = 143/45
In mixed form: 38/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/27+16/20 75/54+8/20 75/27+8/40 75/27+24/20 75/81+8/20 75/27+8/60 75/27+40/20 75/27+56/20