Add 25/8 and 70/20
1st number: 3 1/8, 2nd number: 3 10/20
25/8 + 70/20 is 53/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
25/8 = 25 × 5/8 × 5 = 125/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
70/20 = 70 × 2/20 × 2 = 140/40 - Add the two like fractions:
125/40 + 140/40 = 125 + 140/40 = 265/40 - 265/40 simplified gives 53/8
- So, 25/8 + 70/20 = 53/8
In mixed form: 65/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+70/20 25/16+70/20 25/8+70/40 75/8+70/20 25/24+70/20 25/8+70/60 25/40+70/20 25/56+70/20