Add 25/45 and 4/30
25/45 + 4/30 is 31/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
25/45 = 25 × 2/45 × 2 = 50/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
4/30 = 4 × 3/30 × 3 = 12/90 - Add the two like fractions:
50/90 + 12/90 = 50 + 12/90 = 62/90 - 62/90 simplified gives 31/45
- So, 25/45 + 4/30 = 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/45+4/30 25/45+8/30 25/90+4/30 25/45+4/60 75/45+4/30 25/45+12/30 25/45+4/90 25/45+20/30 25/45+28/30