Add 72/10 and 2/4
1st number: 7 2/10, 2nd number: 2/4
72/10 + 2/4 is 77/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
72/10 = 72 × 2/10 × 2 = 144/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
2/4 = 2 × 5/4 × 5 = 10/20 - Add the two like fractions:
144/20 + 10/20 = 144 + 10/20 = 154/20 - 154/20 simplified gives 77/10
- So, 72/10 + 2/4 = 77/10
In mixed form: 77/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+2/4 72/10+2/8 72/10+6/4 72/30+2/4 72/10+2/12 72/10+10/4 72/50+2/4 72/10+2/20 72/10+14/4 72/70+2/4 72/10+2/28