Add 45/14 and 10/21
1st number: 3 3/14, 2nd number: 10/21
45/14 + 10/21 is 155/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
45/14 = 45 × 3/14 × 3 = 135/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
10/21 = 10 × 2/21 × 2 = 20/42 - Add the two like fractions:
135/42 + 20/42 = 135 + 20/42 = 155/42 - So, 45/14 + 10/21 = 155/42
In mixed form: 329/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14+10/21 45/14+20/21 45/28+10/21 45/14+10/42 45/14+30/21 45/42+10/21 45/14+10/63 45/14+50/21 45/70+10/21 45/14+70/21 45/98+10/21