Add 21/15 and 54/96
1st number: 1 6/15, 2nd number: 54/96
21/15 + 54/96 is 157/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 15 × 32 = 480,
21/15 = 21 × 32/15 × 32 = 672/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
54/96 = 54 × 5/96 × 5 = 270/480 - Add the two like fractions:
672/480 + 270/480 = 672 + 270/480 = 942/480 - 942/480 simplified gives 157/80
- So, 21/15 + 54/96 = 157/80
In mixed form: 177/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/15+54/96 21/30+54/96 63/15+54/96 21/45+54/96 21/75+54/96