Add 21/48 and 96/90
1st number: 21/48, 2nd number: 1 6/90
21/48 + 96/90 is 361/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
21/48 = 21 × 15/48 × 15 = 315/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
96/90 = 96 × 8/90 × 8 = 768/720 - Add the two like fractions:
315/720 + 768/720 = 315 + 768/720 = 1083/720 - 1083/720 simplified gives 361/240
- So, 21/48 + 96/90 = 361/240
In mixed form: 1121/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48+96/90 21/96+96/90 63/48+96/90