Add 42/20 and 5/70
1st number: 2 2/20, 2nd number: 5/70
42/20 + 5/70 is 76/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Add the two like fractions:
294/140 + 10/140 = 294 + 10/140 = 304/140 - 304/140 simplified gives 76/35
- So, 42/20 + 5/70 = 76/35
In mixed form: 26/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+5/70 42/20+10/70 42/40+5/70 42/20+15/70 42/60+5/70 42/20+25/70 42/20+35/70