Add 45/50 and 72/63
1st number: 45/50, 2nd number: 1 9/63
45/50 + 72/63 is 143/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 63 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 50 × 63 = 3150,
45/50 = 45 × 63/50 × 63 = 2835/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
72/63 = 72 × 50/63 × 50 = 3600/3150 - Add the two like fractions:
2835/3150 + 3600/3150 = 2835 + 3600/3150 = 6435/3150 - 6435/3150 simplified gives 143/70
- So, 45/50 + 72/63 = 143/70
In mixed form: 23/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+72/63