Add 7/70 and 72/60
1st number: 7/70, 2nd number: 1 12/60
7/70 + 72/60 is 13/10.
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,
7/70 = 7 × 6/70 × 6 = 42/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Add the two like fractions:
42/420 + 504/420 = 42 + 504/420 = 546/420 - 546/420 simplified gives 13/10
- So, 7/70 + 72/60 = 13/10
In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+72/60 21/70+72/60 35/70+72/60 49/70+72/60