Add 24/70 and 18/30
24/70 + 18/30 is 33/35.
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,
24/70 = 24 × 3/70 × 3 = 72/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Add the two like fractions:
72/210 + 126/210 = 72 + 126/210 = 198/210 - 198/210 simplified gives 33/35
- So, 24/70 + 18/30 = 33/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/70+18/30 24/70+36/30 24/70+18/60 72/70+18/30 24/70+54/30 24/70+18/90 24/70+90/30