Add 70/56 and 30/42
1st number: 1 14/56, 2nd number: 30/42
70/56 + 30/42 is 55/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
70/56 = 70 × 3/56 × 3 = 210/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
30/42 = 30 × 4/42 × 4 = 120/168 - Add the two like fractions:
210/168 + 120/168 = 210 + 120/168 = 330/168 - 330/168 simplified gives 55/28
- So, 70/56 + 30/42 = 55/28
In mixed form: 127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56+60/42 70/56+30/84 70/56+90/42