Add 7/30 and 20/14
1st number: 7/30, 2nd number: 1 6/14
7/30 + 20/14 is 349/210.
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,
7/30 = 7 × 7/30 × 7 = 49/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
20/14 = 20 × 15/14 × 15 = 300/210 - Add the two like fractions:
49/210 + 300/210 = 49 + 300/210 = 349/210 - So, 7/30 + 20/14 = 349/210
In mixed form: 1139/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+20/14 7/30+40/14 7/60+20/14 7/30+20/28 21/30+20/14 7/30+60/14 7/90+20/14 7/30+20/42 35/30+20/14 7/30+20/70 49/30+20/14 7/30+20/98