Add 4/70 and 30/28
1st number: 4/70, 2nd number: 1 2/28
4/70 + 30/28 is 79/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
4/70 = 4 × 2/70 × 2 = 8/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
30/28 = 30 × 5/28 × 5 = 150/140 - Add the two like fractions:
8/140 + 150/140 = 8 + 150/140 = 158/140 - 158/140 simplified gives 79/70
- So, 4/70 + 30/28 = 79/70
In mixed form: 19/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70+30/28 4/70+60/28 4/70+30/56 12/70+30/28 4/70+90/28 4/70+30/84 20/70+30/28 28/70+30/28