Add 18/70 and 72/10
1st number: 18/70, 2nd number: 7 2/10
18/70 + 72/10 is 261/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
18/70 = 18 × 1/70 × 1 = 18/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
72/10 = 72 × 7/10 × 7 = 504/70 - Add the two like fractions:
18/70 + 504/70 = 18 + 504/70 = 522/70 - 522/70 simplified gives 261/35
- So, 18/70 + 72/10 = 261/35
In mixed form: 716/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+72/10 18/70+72/20 54/70+72/10 18/70+72/30 90/70+72/10 18/70+72/50 18/70+72/70