Add 30/10 and 7/45
1st number: 3 0/10, 2nd number: 7/45
30/10 + 7/45 is 142/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Add the two like fractions:
270/90 + 14/90 = 270 + 14/90 = 284/90 - 284/90 simplified gives 142/45
- So, 30/10 + 7/45 = 142/45
In mixed form: 37/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10+7/45 30/10+14/45 30/20+7/45 30/10+7/90 90/10+7/45 30/10+21/45 30/10+35/45 30/50+7/45 30/10+49/45 30/70+7/45