Add 72/45 and 30/32
1st number: 1 27/45, 2nd number: 30/32
72/45 + 30/32 is 203/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
72/45 = 72 × 32/45 × 32 = 2304/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
30/32 = 30 × 45/32 × 45 = 1350/1440 - Add the two like fractions:
2304/1440 + 1350/1440 = 2304 + 1350/1440 = 3654/1440 - 3654/1440 simplified gives 203/80
- So, 72/45 + 30/32 = 203/80
In mixed form: 243/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45+60/32 72/90+30/32 72/45+30/64 72/45+90/32 72/45+30/96