Add 90/9 and 42/48
1st number: 10 0/9, 2nd number: 42/48
90/9 + 42/48 is 87/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
90/9 = 90 × 16/9 × 16 = 1440/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
42/48 = 42 × 3/48 × 3 = 126/144 - Add the two like fractions:
1440/144 + 126/144 = 1440 + 126/144 = 1566/144 - 1566/144 simplified gives 87/8
- So, 90/9 + 42/48 = 87/8
In mixed form: 107/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+84/48 90/18+42/48 90/9+42/96 90/27+42/48 90/45+42/48 90/63+42/48