Add 45/30 and 60/63
1st number: 1 15/30, 2nd number: 60/63
45/30 + 60/63 is 103/42.
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,
45/30 = 45 × 21/30 × 21 = 945/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
60/63 = 60 × 10/63 × 10 = 600/630 - Add the two like fractions:
945/630 + 600/630 = 945 + 600/630 = 1545/630 - 1545/630 simplified gives 103/42
- So, 45/30 + 60/63 = 103/42
In mixed form: 219/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+60/63 45/60+60/63 45/90+60/63