Add 1/30 and 21/35
1/30 + 21/35 is 19/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
1/30 = 1 × 7/30 × 7 = 7/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
21/35 = 21 × 6/35 × 6 = 126/210 - Add the two like fractions:
7/210 + 126/210 = 7 + 126/210 = 133/210 - 133/210 simplified gives 19/30
- So, 1/30 + 21/35 = 19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+21/35 1/30+42/35 1/60+21/35 1/30+21/70 3/30+21/35 1/30+63/35 1/90+21/35 5/30+21/35 7/30+21/35