Add 27/30 and 20/14
1st number: 27/30, 2nd number: 1 6/14
27/30 + 20/14 is 163/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
27/30 = 27 × 7/30 × 7 = 189/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
20/14 = 20 × 15/14 × 15 = 300/210 - Add the two like fractions:
189/210 + 300/210 = 189 + 300/210 = 489/210 - 489/210 simplified gives 163/70
- So, 27/30 + 20/14 = 163/70
In mixed form: 223/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+20/14 27/30+40/14 27/60+20/14 27/30+20/28 81/30+20/14 27/30+60/14 27/90+20/14 27/30+20/42 27/30+20/70 27/30+20/98