Add 48/16 and 12/21
1st number: 3 0/16, 2nd number: 12/21
48/16 + 12/21 is 25/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
48/16 = 48 × 21/16 × 21 = 1008/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
12/21 = 12 × 16/21 × 16 = 192/336 - Add the two like fractions:
1008/336 + 192/336 = 1008 + 192/336 = 1200/336 - 1200/336 simplified gives 25/7
- So, 48/16 + 12/21 = 25/7
In mixed form: 34/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/16+12/21 48/16+24/21 48/32+12/21 48/16+12/42 48/16+36/21 48/16+12/63 48/16+60/21 48/80+12/21 48/16+84/21