Add 14/8 and 90/20
1st number: 1 6/8, 2nd number: 4 10/20
14/8 + 90/20 is 25/4.
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,
14/8 = 14 × 5/8 × 5 = 70/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
90/20 = 90 × 2/20 × 2 = 180/40 - Add the two like fractions:
70/40 + 180/40 = 70 + 180/40 = 250/40 - 250/40 simplified gives 25/4
- So, 14/8 + 90/20 = 25/4
In mixed form: 61/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/8+90/20 14/16+90/20 14/8+90/40 42/8+90/20 14/24+90/20 14/8+90/60 70/8+90/20 14/40+90/20 98/8+90/20 14/56+90/20