Add 45/72 and 25/4
1st number: 45/72, 2nd number: 6 1/4
45/72 + 25/4 is 55/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 4 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Likewise, for the 2nd fraction, since 4 × 18 = 72,
25/4 = 25 × 18/4 × 18 = 450/72 - Add the two like fractions:
45/72 + 450/72 = 45 + 450/72 = 495/72 - 495/72 simplified gives 55/8
- So, 45/72 + 25/4 = 55/8
In mixed form: 67/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+25/4 45/72+50/4 45/72+25/8 45/72+75/4 45/72+25/12 45/72+25/20 45/72+25/28