Add 45/10 and 42/63
1st number: 4 5/10, 2nd number: 42/63
45/10 + 42/63 is 31/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
45/10 = 45 × 63/10 × 63 = 2835/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
42/63 = 42 × 10/63 × 10 = 420/630 - Add the two like fractions:
2835/630 + 420/630 = 2835 + 420/630 = 3255/630 - 3255/630 simplified gives 31/6
- So, 45/10 + 42/63 = 31/6
In mixed form: 51/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+42/63 45/10+84/63 45/20+42/63 45/30+42/63 45/50+42/63 45/70+42/63