Add 48/15 and 10/21
1st number: 3 3/15, 2nd number: 10/21
48/15 + 10/21 is 386/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
48/15 = 48 × 7/15 × 7 = 336/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
10/21 = 10 × 5/21 × 5 = 50/105 - Add the two like fractions:
336/105 + 50/105 = 336 + 50/105 = 386/105 - So, 48/15 + 10/21 = 386/105
In mixed form: 371/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/15+10/21 48/15+20/21 48/30+10/21 48/15+10/42 48/15+30/21 48/45+10/21 48/15+10/63 48/15+50/21 48/75+10/21 48/15+70/21