Add 48/21 and 4/15
1st number: 2 6/21, 2nd number: 4/15
48/21 + 4/15 is 268/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 15 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
48/21 = 48 × 5/21 × 5 = 240/105 - Likewise, for the 2nd fraction, since 15 × 7 = 105,
4/15 = 4 × 7/15 × 7 = 28/105 - Add the two like fractions:
240/105 + 28/105 = 240 + 28/105 = 268/105 - So, 48/21 + 4/15 = 268/105
In mixed form: 258/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/21+4/15 48/21+8/15 48/42+4/15 48/21+4/30 48/21+12/15 48/63+4/15 48/21+4/45 48/21+20/15 48/21+4/75 48/21+28/15