Add 42/20 and 24/63
1st number: 2 2/20, 2nd number: 24/63
42/20 + 24/63 is 521/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
42/20 = 42 × 63/20 × 63 = 2646/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
24/63 = 24 × 20/63 × 20 = 480/1260 - Add the two like fractions:
2646/1260 + 480/1260 = 2646 + 480/1260 = 3126/1260 - 3126/1260 simplified gives 521/210
- So, 42/20 + 24/63 = 521/210
In mixed form: 2101/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+24/63 42/20+48/63 42/40+24/63 42/20+72/63 42/60+24/63