Add 63/4 and 25/90
1st number: 15 3/4, 2nd number: 25/90
63/4 + 25/90 is 577/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
63/4 = 63 × 45/4 × 45 = 2835/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
25/90 = 25 × 2/90 × 2 = 50/180 - Add the two like fractions:
2835/180 + 50/180 = 2835 + 50/180 = 2885/180 - 2885/180 simplified gives 577/36
- So, 63/4 + 25/90 = 577/36
In mixed form: 161/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4+50/90 63/8+25/90 63/4+75/90 63/12+25/90 63/20+25/90 63/28+25/90