Add 18/70 and 72/60
1st number: 18/70, 2nd number: 1 12/60
18/70 + 72/60 is 51/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
18/70 = 18 × 6/70 × 6 = 108/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Add the two like fractions:
108/420 + 504/420 = 108 + 504/420 = 612/420 - 612/420 simplified gives 51/35
- So, 18/70 + 72/60 = 51/35
In mixed form: 116/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+72/60 54/70+72/60 90/70+72/60