Add 63/4 and 7/20
1st number: 15 3/4, 2nd number: 7/20
63/4 + 7/20 is 161/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
7/20 = 7 × 1/20 × 1 = 7/20 - Add the two like fractions:
315/20 + 7/20 = 315 + 7/20 = 322/20 - 322/20 simplified gives 161/10
- So, 63/4 + 7/20 = 161/10
In mixed form: 161/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4+14/20 63/8+7/20 63/4+7/40 63/4+21/20 63/12+7/20 63/4+7/60 63/4+35/20 63/20+7/20 63/4+49/20 63/28+7/20