Add 56/16 and 2/21
1st number: 3 8/16, 2nd number: 2/21
56/16 + 2/21 is 151/42.
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,
56/16 = 56 × 21/16 × 21 = 1176/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
2/21 = 2 × 16/21 × 16 = 32/336 - Add the two like fractions:
1176/336 + 32/336 = 1176 + 32/336 = 1208/336 - 1208/336 simplified gives 151/42
- So, 56/16 + 2/21 = 151/42
In mixed form: 325/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16+4/21 56/32+2/21 56/16+2/42 56/16+6/21 56/48+2/21 56/16+2/63 56/16+10/21 56/80+2/21 56/16+14/21