Add 3/10 and 24/42
3/10 + 24/42 is 61/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
3/10 = 3 × 21/10 × 21 = 63/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
24/42 = 24 × 5/42 × 5 = 120/210 - Add the two like fractions:
63/210 + 120/210 = 63 + 120/210 = 183/210 - 183/210 simplified gives 61/70
- So, 3/10 + 24/42 = 61/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+24/42 3/10+48/42 3/20+24/42 3/10+24/84 9/10+24/42 3/10+72/42 3/30+24/42 15/10+24/42 3/50+24/42 21/10+24/42 3/70+24/42