Add 90/2 and 63/7
1st number: 45 0/2, 2nd number: 9 0/7
90/2 + 63/7 is 54/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
90/2 = 90 × 7/2 × 7 = 630/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
63/7 = 63 × 2/7 × 2 = 126/14 - Add the two like fractions:
630/14 + 126/14 = 630 + 126/14 = 756/14 - 756/14 simplified gives 54/1
- So, 90/2 + 63/7 = 54/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+63/7 90/2+63/14 90/6+63/7 90/2+63/21 90/10+63/7 90/2+63/35 90/14+63/7 90/2+63/49