Add 14/5 and 70/72
1st number: 2 4/5, 2nd number: 70/72
14/5 + 70/72 is 679/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
14/5 = 14 × 72/5 × 72 = 1008/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Add the two like fractions:
1008/360 + 350/360 = 1008 + 350/360 = 1358/360 - 1358/360 simplified gives 679/180
- So, 14/5 + 70/72 = 679/180
In mixed form: 3139/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/5+70/72 14/10+70/72 42/5+70/72 14/15+70/72 70/5+70/72 14/25+70/72 98/5+70/72 14/35+70/72