Add 1/20 and 7/4
1st number: 1/20, 2nd number: 1 3/4
1/20 + 7/4 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
1/20 = 1 × 1/20 × 1 = 1/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
7/4 = 7 × 5/4 × 5 = 35/20 - Add the two like fractions:
1/20 + 35/20 = 1 + 35/20 = 36/20 - 36/20 simplified gives 9/5
- So, 1/20 + 7/4 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+7/4 1/20+14/4 1/40+7/4 1/20+7/8 3/20+7/4 1/20+21/4 1/60+7/4 1/20+7/12 5/20+7/4 1/20+35/4 1/20+7/20 7/20+7/4 1/20+49/4 1/20+7/28