Add 72/24 and 7/70
1st number: 3 0/24, 2nd number: 7/70
72/24 + 7/70 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
72/24 = 72 × 35/24 × 35 = 2520/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
7/70 = 7 × 12/70 × 12 = 84/840 - Add the two like fractions:
2520/840 + 84/840 = 2520 + 84/840 = 2604/840 - 2604/840 simplified gives 31/10
- So, 72/24 + 7/70 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/24+14/70 72/48+7/70 72/24+21/70 72/24+35/70 72/24+49/70