Add 30/4 and 14/45
1st number: 7 2/4, 2nd number: 14/45
30/4 + 14/45 is 703/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
30/4 = 30 × 45/4 × 45 = 1350/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
14/45 = 14 × 4/45 × 4 = 56/180 - Add the two like fractions:
1350/180 + 56/180 = 1350 + 56/180 = 1406/180 - 1406/180 simplified gives 703/90
- So, 30/4 + 14/45 = 703/90
In mixed form: 773/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+14/45 30/4+28/45 30/8+14/45 30/4+14/90 90/4+14/45 30/4+42/45 30/12+14/45 30/4+70/45 30/20+14/45 30/4+98/45 30/28+14/45