Add 30/60 and 81/32
1st number: 30/60, 2nd number: 2 17/32
30/60 + 81/32 is 97/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 60 × 8 = 480,
30/60 = 30 × 8/60 × 8 = 240/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
81/32 = 81 × 15/32 × 15 = 1215/480 - Add the two like fractions:
240/480 + 1215/480 = 240 + 1215/480 = 1455/480 - 1455/480 simplified gives 97/32
- So, 30/60 + 81/32 = 97/32
In mixed form: 31/32
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/60+81/64 90/60+81/32 30/60+81/96