Add 20/10 and 90/54
1st number: 2 0/10, 2nd number: 1 36/54
20/10 + 90/54 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
20/10 = 20 × 27/10 × 27 = 540/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Add the two like fractions:
540/270 + 450/270 = 540 + 450/270 = 990/270 - 990/270 simplified gives 11/3
- So, 20/10 + 90/54 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+90/54 60/10+90/54 20/30+90/54 20/50+90/54 20/70+90/54