Add 72/30 and 15/32
1st number: 2 12/30, 2nd number: 15/32
72/30 + 15/32 is 459/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
72/30 = 72 × 16/30 × 16 = 1152/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
15/32 = 15 × 15/32 × 15 = 225/480 - Add the two like fractions:
1152/480 + 225/480 = 1152 + 225/480 = 1377/480 - 1377/480 simplified gives 459/160
- So, 72/30 + 15/32 = 459/160
In mixed form: 2139/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+30/32 72/60+15/32 72/30+15/64 72/30+45/32 72/90+15/32 72/30+15/96 72/30+75/32