Add 90/7 and 45/30
1st number: 12 6/7, 2nd number: 1 15/30
90/7 + 45/30 is 201/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
90/7 = 90 × 30/7 × 30 = 2700/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
45/30 = 45 × 7/30 × 7 = 315/210 - Add the two like fractions:
2700/210 + 315/210 = 2700 + 315/210 = 3015/210 - 3015/210 simplified gives 201/14
- So, 90/7 + 45/30 = 201/14
In mixed form: 145/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7+90/30 90/14+45/30 90/7+45/60 90/21+45/30 90/7+45/90 90/35+45/30 90/49+45/30