Add 12/60 and 12/70
12/60 + 12/70 is 13/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
12/60 = 12 × 7/60 × 7 = 84/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
12/70 = 12 × 6/70 × 6 = 72/420 - Add the two like fractions:
84/420 + 72/420 = 84 + 72/420 = 156/420 - 156/420 simplified gives 13/35
- So, 12/60 + 12/70 = 13/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/60+12/70 12/60+24/70 36/60+12/70 12/60+36/70 12/60+60/70 84/60+12/70 12/60+84/70