Add 63/2 and 12/90
1st number: 31 1/2, 2nd number: 12/90
63/2 + 12/90 is 949/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
63/2 = 63 × 45/2 × 45 = 2835/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Add the two like fractions:
2835/90 + 12/90 = 2835 + 12/90 = 2847/90 - 2847/90 simplified gives 949/30
- So, 63/2 + 12/90 = 949/30
In mixed form: 3119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2+24/90 63/4+12/90 63/2+36/90 63/6+12/90 63/2+60/90 63/10+12/90 63/2+84/90 63/14+12/90