Add 15/21 and 10/48
15/21 + 10/48 is 155/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
15/21 = 15 × 16/21 × 16 = 240/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
10/48 = 10 × 7/48 × 7 = 70/336 - Add the two like fractions:
240/336 + 70/336 = 240 + 70/336 = 310/336 - 310/336 simplified gives 155/168
- So, 15/21 + 10/48 = 155/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21+10/48 15/21+20/48 15/42+10/48 15/21+10/96 45/21+10/48 15/21+30/48 15/63+10/48 75/21+10/48 15/21+50/48 15/21+70/48