Add 90/2 and 72/4
1st number: 45 0/2, 2nd number: 18 0/4
90/2 + 72/4 is 63/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
90/2 = 90 × 2/2 × 2 = 180/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
72/4 = 72 × 1/4 × 1 = 72/4 - Add the two like fractions:
180/4 + 72/4 = 180 + 72/4 = 252/4 - 252/4 simplified gives 63/1
- So, 90/2 + 72/4 = 63/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+72/4 90/2+72/8 90/6+72/4 90/2+72/12 90/10+72/4 90/2+72/20 90/14+72/4 90/2+72/28