Add 25/70 and 18/8
1st number: 25/70, 2nd number: 2 2/8
25/70 + 18/8 is 73/28.
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,
18/8 = 18 × 35/8 × 35 = 630/280 - Add the two like fractions:
100/280 + 630/280 = 100 + 630/280 = 730/280 - 730/280 simplified gives 73/28
- So, 25/70 + 18/8 = 73/28
In mixed form: 217/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70+18/8 25/70+36/8 25/70+18/16 75/70+18/8 25/70+54/8 25/70+18/24 25/70+90/8 25/70+18/40 25/70+18/56