Add 20/16 and 25/30
1st number: 1 4/16, 2nd number: 25/30
20/16 + 25/30 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
20/16 = 20 × 15/16 × 15 = 300/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
25/30 = 25 × 8/30 × 8 = 200/240 - Add the two like fractions:
300/240 + 200/240 = 300 + 200/240 = 500/240 - 500/240 simplified gives 25/12
- So, 20/16 + 25/30 = 25/12
In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16+25/30 20/16+50/30 20/32+25/30 20/16+25/60 60/16+25/30 20/16+75/30 20/48+25/30 20/16+25/90 20/80+25/30