Add 36/63 and 28/70
36/63 + 28/70 is 34/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
36/63 = 36 × 10/63 × 10 = 360/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Add the two like fractions:
360/630 + 252/630 = 360 + 252/630 = 612/630 - 612/630 simplified gives 34/35
- So, 36/63 + 28/70 = 34/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63+28/70 36/63+56/70 36/63+84/70