Add 7/90 and 72/48
1st number: 7/90, 2nd number: 1 24/48
7/90 + 72/48 is 71/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
7/90 = 7 × 8/90 × 8 = 56/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
72/48 = 72 × 15/48 × 15 = 1080/720 - Add the two like fractions:
56/720 + 1080/720 = 56 + 1080/720 = 1136/720 - 1136/720 simplified gives 71/45
- So, 7/90 + 72/48 = 71/45
In mixed form: 126/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/90+72/48 7/90+72/96 21/90+72/48 35/90+72/48 49/90+72/48