Add 10/30 and 72/10
1st number: 10/30, 2nd number: 7 2/10
10/30 + 72/10 is 113/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
10/30 = 10 × 1/30 × 1 = 10/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
72/10 = 72 × 3/10 × 3 = 216/30 - Add the two like fractions:
10/30 + 216/30 = 10 + 216/30 = 226/30 - 226/30 simplified gives 113/15
- So, 10/30 + 72/10 = 113/15
In mixed form: 78/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+72/10 10/60+72/10 10/30+72/20 10/90+72/10 10/30+72/30 50/30+72/10 10/30+72/50 70/30+72/10 10/30+72/70