Add 72/7 and 14/30
1st number: 10 2/7, 2nd number: 14/30
72/7 + 14/30 is 1129/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
72/7 = 72 × 30/7 × 30 = 2160/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
14/30 = 14 × 7/30 × 7 = 98/210 - Add the two like fractions:
2160/210 + 98/210 = 2160 + 98/210 = 2258/210 - 2258/210 simplified gives 1129/105
- So, 72/7 + 14/30 = 1129/105
In mixed form: 1079/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/7+28/30 72/14+14/30 72/7+14/60 72/7+42/30 72/21+14/30 72/7+14/90 72/7+70/30 72/35+14/30 72/7+98/30 72/49+14/30