Add 48/18 and 90/7
1st number: 2 12/18, 2nd number: 12 6/7
48/18 + 90/7 is 326/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
48/18 = 48 × 7/18 × 7 = 336/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
90/7 = 90 × 18/7 × 18 = 1620/126 - Add the two like fractions:
336/126 + 1620/126 = 336 + 1620/126 = 1956/126 - 1956/126 simplified gives 326/21
- So, 48/18 + 90/7 = 326/21
In mixed form: 1511/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/18+90/7 48/36+90/7 48/18+90/14 48/54+90/7 48/18+90/21 48/90+90/7 48/18+90/35 48/18+90/49