Add 14/30 and 15/45
14/30 + 15/45 is 4/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
14/30 = 14 × 3/30 × 3 = 42/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Add the two like fractions:
42/90 + 30/90 = 42 + 30/90 = 72/90 - 72/90 simplified gives 4/5
- So, 14/30 + 15/45 = 4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30+15/45 14/30+30/45 14/60+15/45 14/30+15/90 42/30+15/45 14/90+15/45 70/30+15/45 14/30+75/45 98/30+15/45