Add 45/30 and 1/7
1st number: 1 15/30, 2nd number: 1/7
45/30 + 1/7 is 23/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
45/30 = 45 × 7/30 × 7 = 315/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
1/7 = 1 × 30/7 × 30 = 30/210 - Add the two like fractions:
315/210 + 30/210 = 315 + 30/210 = 345/210 - 345/210 simplified gives 23/14
- So, 45/30 + 1/7 = 23/14
In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+1/7 45/30+2/7 45/60+1/7 45/30+1/14 45/30+3/7 45/90+1/7 45/30+1/21 45/30+5/7 45/30+1/35 45/30+1/49