Add 42/63 and 84/10
1st number: 42/63, 2nd number: 8 4/10
42/63 + 84/10 is 136/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
42/63 = 42 × 10/63 × 10 = 420/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
84/10 = 84 × 63/10 × 63 = 5292/630 - Add the two like fractions:
420/630 + 5292/630 = 420 + 5292/630 = 5712/630 - 5712/630 simplified gives 136/15
- So, 42/63 + 84/10 = 136/15
In mixed form: 91/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63+84/10 42/63+84/20 42/63+84/30 42/63+84/50 42/63+84/70