Add 72/96 and 12/45
72/96 + 12/45 is 61/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 45 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 96 × 15 = 1440,
72/96 = 72 × 15/96 × 15 = 1080/1440 - Likewise, for the 2nd fraction, since 45 × 32 = 1440,
12/45 = 12 × 32/45 × 32 = 384/1440 - Add the two like fractions:
1080/1440 + 384/1440 = 1080 + 384/1440 = 1464/1440 - 1464/1440 simplified gives 61/60
- So, 72/96 + 12/45 = 61/60
In mixed form: 11/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/96+24/45 72/96+12/90 72/96+36/45 72/96+60/45 72/96+84/45