Add 7/70 and 72/8
1st number: 7/70, 2nd number: 9 0/8
7/70 + 72/8 is 91/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
7/70 = 7 × 4/70 × 4 = 28/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
72/8 = 72 × 35/8 × 35 = 2520/280 - Add the two like fractions:
28/280 + 2520/280 = 28 + 2520/280 = 2548/280 - 2548/280 simplified gives 91/10
- So, 7/70 + 72/8 = 91/10
In mixed form: 91/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/70+72/8 7/70+72/16 21/70+72/8 7/70+72/24 35/70+72/8 7/70+72/40 49/70+72/8 7/70+72/56