Add 30/70 and 4/36
30/70 + 4/36 is 34/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
30/70 = 30 × 18/70 × 18 = 540/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
4/36 = 4 × 35/36 × 35 = 140/1260 - Add the two like fractions:
540/1260 + 140/1260 = 540 + 140/1260 = 680/1260 - 680/1260 simplified gives 34/63
- So, 30/70 + 4/36 = 34/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+4/36 30/70+8/36 30/70+4/72 90/70+4/36 30/70+12/36 30/70+20/36 30/70+28/36