Add 42/28 and 24/70
1st number: 1 14/28, 2nd number: 24/70
42/28 + 24/70 is 129/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
42/28 = 42 × 5/28 × 5 = 210/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
24/70 = 24 × 2/70 × 2 = 48/140 - Add the two like fractions:
210/140 + 48/140 = 210 + 48/140 = 258/140 - 258/140 simplified gives 129/70
- So, 42/28 + 24/70 = 129/70
In mixed form: 159/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+24/70 42/28+48/70 42/56+24/70 42/28+72/70 42/84+24/70