Add 21/7 and 5/16
1st number: 3 0/7, 2nd number: 5/16
21/7 + 5/16 is 53/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 7 × 16 = 112,
21/7 = 21 × 16/7 × 16 = 336/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
5/16 = 5 × 7/16 × 7 = 35/112 - Add the two like fractions:
336/112 + 35/112 = 336 + 35/112 = 371/112 - 371/112 simplified gives 53/16
- So, 21/7 + 5/16 = 53/16
In mixed form: 35/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/7+5/16 21/7+10/16 21/14+5/16 21/7+5/32 63/7+5/16 21/7+15/16 21/7+5/48 21/7+25/16 21/35+5/16 21/7+5/80 21/7+35/16 21/49+5/16