Add 21/2 and 70/16
1st number: 10 1/2, 2nd number: 4 6/16
21/2 + 70/16 is 119/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
21/2 = 21 × 8/2 × 8 = 168/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
70/16 = 70 × 1/16 × 1 = 70/16 - Add the two like fractions:
168/16 + 70/16 = 168 + 70/16 = 238/16 - 238/16 simplified gives 119/8
- So, 21/2 + 70/16 = 119/8
In mixed form: 147/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+70/16 21/4+70/16 21/2+70/32 63/2+70/16 21/6+70/16 21/2+70/48 21/10+70/16 21/2+70/80 21/14+70/16