Add 72/5 and 70/8
1st number: 14 2/5, 2nd number: 8 6/8
72/5 + 70/8 is 463/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
72/5 = 72 × 8/5 × 8 = 576/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
70/8 = 70 × 5/8 × 5 = 350/40 - Add the two like fractions:
576/40 + 350/40 = 576 + 350/40 = 926/40 - 926/40 simplified gives 463/20
- So, 72/5 + 70/8 = 463/20
In mixed form: 233/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+70/8 72/5+70/16 72/15+70/8 72/5+70/24 72/25+70/8 72/5+70/40 72/35+70/8 72/5+70/56