Add 45/63 and 50/40
1st number: 45/63, 2nd number: 1 10/40
45/63 + 50/40 is 55/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
45/63 = 45 × 40/63 × 40 = 1800/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
50/40 = 50 × 63/40 × 63 = 3150/2520 - Add the two like fractions:
1800/2520 + 3150/2520 = 1800 + 3150/2520 = 4950/2520 - 4950/2520 simplified gives 55/28
- So, 45/63 + 50/40 = 55/28
In mixed form: 127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/63+50/40 45/63+50/80