Add 90/30 and 1/45
1st number: 3 0/30, 2nd number: 1/45
90/30 + 1/45 is 136/45.
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,
90/30 = 90 × 3/30 × 3 = 270/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
1/45 = 1 × 2/45 × 2 = 2/90 - Add the two like fractions:
270/90 + 2/90 = 270 + 2/90 = 272/90 - 272/90 simplified gives 136/45
- So, 90/30 + 1/45 = 136/45
In mixed form: 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/30+2/45 90/60+1/45 90/30+1/90 90/30+3/45 90/30+5/45 90/30+7/45