Add 9/30 and 4/70
9/30 + 4/70 is 5/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
4/70 = 4 × 3/70 × 3 = 12/210 - Add the two like fractions:
63/210 + 12/210 = 63 + 12/210 = 75/210 - 75/210 simplified gives 5/14
- So, 9/30 + 4/70 = 5/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30+4/70 9/30+8/70 9/60+4/70 27/30+4/70 9/30+12/70 9/90+4/70 45/30+4/70 9/30+20/70 63/30+4/70 9/30+28/70