Add 36/70 and 4/30
36/70 + 4/30 is 68/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
36/70 = 36 × 3/70 × 3 = 108/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
4/30 = 4 × 7/30 × 7 = 28/210 - Add the two like fractions:
108/210 + 28/210 = 108 + 28/210 = 136/210 - 136/210 simplified gives 68/105
- So, 36/70 + 4/30 = 68/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+4/30 36/70+8/30 36/70+4/60 36/70+12/30 36/70+4/90 36/70+20/30 36/70+28/30