Add 45/10 and 7/42
1st number: 4 5/10, 2nd number: 7/42
45/10 + 7/42 is 14/3.
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,
45/10 = 45 × 21/10 × 21 = 945/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210 - Add the two like fractions:
945/210 + 35/210 = 945 + 35/210 = 980/210 - 980/210 simplified gives 14/3
- So, 45/10 + 7/42 = 14/3
In mixed form: 42/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+7/42 45/10+14/42 45/20+7/42 45/10+7/84 45/10+21/42 45/30+7/42 45/10+35/42 45/50+7/42 45/10+49/42 45/70+7/42