Add 8/90 and 54/14
1st number: 8/90, 2nd number: 3 12/14
8/90 + 54/14 is 1243/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
54/14 = 54 × 45/14 × 45 = 2430/630 - Add the two like fractions:
56/630 + 2430/630 = 56 + 2430/630 = 2486/630 - 2486/630 simplified gives 1243/315
- So, 8/90 + 54/14 = 1243/315
In mixed form: 3298/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90+54/14 8/90+54/28 24/90+54/14 8/90+54/42 40/90+54/14 8/90+54/70 56/90+54/14 8/90+54/98