Add 25/8 and 12/70
1st number: 3 1/8, 2nd number: 12/70
25/8 + 12/70 is 923/280.
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,
25/8 = 25 × 35/8 × 35 = 875/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
12/70 = 12 × 4/70 × 4 = 48/280 - Add the two like fractions:
875/280 + 48/280 = 875 + 48/280 = 923/280 - So, 25/8 + 12/70 = 923/280
In mixed form: 383/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+12/70 25/8+24/70 25/16+12/70 75/8+12/70 25/8+36/70 25/24+12/70 25/8+60/70 25/40+12/70 25/8+84/70 25/56+12/70