Add 4/10 and 21/35
4/10 + 21/35 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
4/10 = 4 × 7/10 × 7 = 28/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
21/35 = 21 × 2/35 × 2 = 42/70 - Add the two like fractions:
28/70 + 42/70 = 28 + 42/70 = 70/70 - 70/70 simplified gives 1/1
- So, 4/10 + 21/35 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+21/35 4/10+42/35 4/20+21/35 4/10+21/70 12/10+21/35 4/10+63/35 4/30+21/35 20/10+21/35 4/50+21/35 28/10+21/35 4/70+21/35