Add 90/63 and 48/45
1st number: 1 27/63, 2nd number: 1 3/45
90/63 + 48/45 is 262/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
90/63 = 90 × 5/63 × 5 = 450/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
48/45 = 48 × 7/45 × 7 = 336/315 - Add the two like fractions:
450/315 + 336/315 = 450 + 336/315 = 786/315 - 786/315 simplified gives 262/105
- So, 90/63 + 48/45 = 262/105
In mixed form: 252/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+96/45 90/63+48/90