Add 7/5 and 90/42
1st number: 1 2/5, 2nd number: 2 6/42
7/5 + 90/42 is 124/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
7/5 = 7 × 42/5 × 42 = 294/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
90/42 = 90 × 5/42 × 5 = 450/210 - Add the two like fractions:
294/210 + 450/210 = 294 + 450/210 = 744/210 - 744/210 simplified gives 124/35
- So, 7/5 + 90/42 = 124/35
In mixed form: 319/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+90/42 7/10+90/42 7/5+90/84 21/5+90/42 7/15+90/42 35/5+90/42 7/25+90/42 49/5+90/42 7/35+90/42