Add 6/10 and 72/20
1st number: 6/10, 2nd number: 3 12/20
6/10 + 72/20 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
6/10 = 6 × 2/10 × 2 = 12/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
72/20 = 72 × 1/20 × 1 = 72/20 - Add the two like fractions:
12/20 + 72/20 = 12 + 72/20 = 84/20 - 84/20 simplified gives 21/5
- So, 6/10 + 72/20 = 21/5
In mixed form: 41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/10+72/20 6/20+72/20 6/10+72/40 18/10+72/20 6/30+72/20 6/10+72/60 30/10+72/20 6/50+72/20 42/10+72/20 6/70+72/20