Add 7/10 and 20/54
7/10 + 20/54 is 289/270.
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,
7/10 = 7 × 27/10 × 27 = 189/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Add the two like fractions:
189/270 + 100/270 = 189 + 100/270 = 289/270 - So, 7/10 + 20/54 = 289/270
In mixed form: 119/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+20/54 7/10+40/54 7/20+20/54 21/10+20/54 7/10+60/54 7/30+20/54 35/10+20/54 7/50+20/54 49/10+20/54 7/70+20/54