Add 25/70 and 9/8
1st number: 25/70, 2nd number: 1 1/8
25/70 + 9/8 is 83/56.
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,
25/70 = 25 × 4/70 × 4 = 100/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
9/8 = 9 × 35/8 × 35 = 315/280 - Add the two like fractions:
100/280 + 315/280 = 100 + 315/280 = 415/280 - 415/280 simplified gives 83/56
- So, 25/70 + 9/8 = 83/56
In mixed form: 127/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70+9/8 25/70+18/8 25/70+9/16 75/70+9/8 25/70+27/8 25/70+9/24 25/70+45/8 25/70+9/40 25/70+63/8 25/70+9/56