Add 3/70 and 81/8
1st number: 3/70, 2nd number: 10 1/8
3/70 + 81/8 is 2847/280.
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,
3/70 = 3 × 4/70 × 4 = 12/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
81/8 = 81 × 35/8 × 35 = 2835/280 - Add the two like fractions:
12/280 + 2835/280 = 12 + 2835/280 = 2847/280 - So, 3/70 + 81/8 = 2847/280
In mixed form: 1047/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70+81/8 3/70+81/16 9/70+81/8 3/70+81/24 15/70+81/8 3/70+81/40 21/70+81/8 3/70+81/56