Add 36/70 and 42/63
36/70 + 42/63 is 124/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
36/70 = 36 × 9/70 × 9 = 324/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
42/63 = 42 × 10/63 × 10 = 420/630 - Add the two like fractions:
324/630 + 420/630 = 324 + 420/630 = 744/630 - 744/630 simplified gives 124/105
- So, 36/70 + 42/63 = 124/105
In mixed form: 119/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+42/63 36/70+84/63