Add 5/30 and 72/63
1st number: 5/30, 2nd number: 1 9/63
5/30 + 72/63 is 55/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 30 × 21 = 630,
5/30 = 5 × 21/30 × 21 = 105/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630 - Add the two like fractions:
105/630 + 720/630 = 105 + 720/630 = 825/630 - 825/630 simplified gives 55/42
- So, 5/30 + 72/63 = 55/42
In mixed form: 113/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/30+72/63 5/60+72/63 15/30+72/63 5/90+72/63 25/30+72/63 35/30+72/63