Add 4/30 and 70/14
1st number: 4/30, 2nd number: 5 0/14
4/30 + 70/14 is 77/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
4/30 = 4 × 7/30 × 7 = 28/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
70/14 = 70 × 15/14 × 15 = 1050/210 - Add the two like fractions:
28/210 + 1050/210 = 28 + 1050/210 = 1078/210 - 1078/210 simplified gives 77/15
- So, 4/30 + 70/14 = 77/15
In mixed form: 52/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+70/14 4/60+70/14 4/30+70/28 12/30+70/14 4/90+70/14 4/30+70/42 20/30+70/14 28/30+70/14 4/30+70/98