Add 9/90 and 90/48
1st number: 9/90, 2nd number: 1 42/48
9/90 + 90/48 is 79/40.
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,
9/90 = 9 × 8/90 × 8 = 72/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
90/48 = 90 × 15/48 × 15 = 1350/720 - Add the two like fractions:
72/720 + 1350/720 = 72 + 1350/720 = 1422/720 - 1422/720 simplified gives 79/40
- So, 9/90 + 90/48 = 79/40
In mixed form: 139/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+90/48 9/90+90/96 27/90+90/48 45/90+90/48 63/90+90/48