Add 21/48 and 8/5
1st number: 21/48, 2nd number: 1 3/5
21/48 + 8/5 is 163/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 5 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 5 × 48 = 240,
8/5 = 8 × 48/5 × 48 = 384/240 - Add the two like fractions:
105/240 + 384/240 = 105 + 384/240 = 489/240 - 489/240 simplified gives 163/80
- So, 21/48 + 8/5 = 163/80
In mixed form: 23/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48+8/5 21/48+16/5 21/96+8/5 21/48+8/10 63/48+8/5 21/48+24/5 21/48+8/15 21/48+40/5 21/48+8/25 21/48+56/5 21/48+8/35