Add 1/4 and 30/90
1/4 + 30/90 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
1/4 = 1 × 45/4 × 45 = 45/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
30/90 = 30 × 2/90 × 2 = 60/180 - Add the two like fractions:
45/180 + 60/180 = 45 + 60/180 = 105/180 - 105/180 simplified gives 7/12
- So, 1/4 + 30/90 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4+30/90 1/4+60/90 1/8+30/90 3/4+30/90 1/12+30/90 5/4+30/90 1/20+30/90 7/4+30/90 1/28+30/90