Add 72/14 and 10/30
1st number: 5 2/14, 2nd number: 10/30
72/14 + 10/30 is 115/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
72/14 = 72 × 15/14 × 15 = 1080/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
10/30 = 10 × 7/30 × 7 = 70/210 - Add the two like fractions:
1080/210 + 70/210 = 1080 + 70/210 = 1150/210 - 1150/210 simplified gives 115/21
- So, 72/14 + 10/30 = 115/21
In mixed form: 510/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+20/30 72/28+10/30 72/14+10/60 72/42+10/30 72/14+10/90 72/14+50/30 72/70+10/30 72/14+70/30 72/98+10/30