Add 70/8 and 72/70
1st number: 8 6/8, 2nd number: 1 2/70
70/8 + 72/70 is 1369/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
70/8 = 70 × 35/8 × 35 = 2450/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
72/70 = 72 × 4/70 × 4 = 288/280 - Add the two like fractions:
2450/280 + 288/280 = 2450 + 288/280 = 2738/280 - 2738/280 simplified gives 1369/140
- So, 70/8 + 72/70 = 1369/140
In mixed form: 9109/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16+72/70 70/24+72/70 70/40+72/70 70/56+72/70