Add 7/5 and 42/70
1st number: 1 2/5, 2nd number: 42/70
7/5 + 42/70 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
7/5 = 7 × 14/5 × 14 = 98/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Add the two like fractions:
98/70 + 42/70 = 98 + 42/70 = 140/70 - 140/70 simplified gives 2/1
- So, 7/5 + 42/70 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+42/70 7/5+84/70 7/10+42/70 21/5+42/70 7/15+42/70 35/5+42/70 7/25+42/70 49/5+42/70 7/35+42/70