Add 7/20 and 45/10
1st number: 7/20, 2nd number: 4 5/10
7/20 + 45/10 is 97/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
7/20 = 7 × 1/20 × 1 = 7/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
45/10 = 45 × 2/10 × 2 = 90/20 - Add the two like fractions:
7/20 + 90/20 = 7 + 90/20 = 97/20 - So, 7/20 + 45/10 = 97/20
In mixed form: 417/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/20+45/10 7/20+90/10 7/40+45/10 7/20+45/20 21/20+45/10 7/60+45/10 7/20+45/30 35/20+45/10 7/20+45/50 49/20+45/10 7/20+45/70