Add 25/72 and 72/30
1st number: 25/72, 2nd number: 2 12/30
25/72 + 72/30 is 989/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
25/72 = 25 × 5/72 × 5 = 125/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
72/30 = 72 × 12/30 × 12 = 864/360 - Add the two like fractions:
125/360 + 864/360 = 125 + 864/360 = 989/360 - So, 25/72 + 72/30 = 989/360
In mixed form: 2269/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72+72/30 25/72+72/60 75/72+72/30 25/72+72/90