Add 42/63 and 27/10
1st number: 42/63, 2nd number: 2 7/10
42/63 + 27/10 is 101/30.
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,
27/10 = 27 × 63/10 × 63 = 1701/630 - Add the two like fractions:
420/630 + 1701/630 = 420 + 1701/630 = 2121/630 - 2121/630 simplified gives 101/30
- So, 42/63 + 27/10 = 101/30
In mixed form: 311/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63+27/10 42/63+54/10 42/63+27/20 42/63+81/10 42/63+27/30 42/63+27/50 42/63+27/70