Add 70/30 and 45/14
1st number: 2 10/30, 2nd number: 3 3/14
70/30 + 45/14 is 233/42.
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,
70/30 = 70 × 7/30 × 7 = 490/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
45/14 = 45 × 15/14 × 15 = 675/210 - Add the two like fractions:
490/210 + 675/210 = 490 + 675/210 = 1165/210 - 1165/210 simplified gives 233/42
- So, 70/30 + 45/14 = 233/42
In mixed form: 523/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+90/14 70/60+45/14 70/30+45/28 70/90+45/14 70/30+45/42 70/30+45/70 70/30+45/98