Add 27/10 and 16/20
1st number: 2 7/10, 2nd number: 16/20
27/10 + 16/20 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
27/10 = 27 × 2/10 × 2 = 54/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
16/20 = 16 × 1/20 × 1 = 16/20 - Add the two like fractions:
54/20 + 16/20 = 54 + 16/20 = 70/20 - 70/20 simplified gives 7/2
- So, 27/10 + 16/20 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+16/20 27/10+32/20 27/20+16/20 27/10+16/40 81/10+16/20 27/10+48/20 27/30+16/20 27/10+16/60 27/10+80/20 27/50+16/20 27/70+16/20