Add 20/16 and 25/9
1st number: 1 4/16, 2nd number: 2 7/9
20/16 + 25/9 is 145/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
20/16 = 20 × 9/16 × 9 = 180/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
25/9 = 25 × 16/9 × 16 = 400/144 - Add the two like fractions:
180/144 + 400/144 = 180 + 400/144 = 580/144 - 580/144 simplified gives 145/36
- So, 20/16 + 25/9 = 145/36
In mixed form: 41/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16+25/9 20/16+50/9 20/32+25/9 20/16+25/18 60/16+25/9 20/16+75/9 20/48+25/9 20/16+25/27 20/80+25/9 20/16+25/45 20/16+25/63