Add 2/7 and 90/54
1st number: 2/7, 2nd number: 1 36/54
2/7 + 90/54 is 41/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
2/7 = 2 × 54/7 × 54 = 108/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
90/54 = 90 × 7/54 × 7 = 630/378 - Add the two like fractions:
108/378 + 630/378 = 108 + 630/378 = 738/378 - 738/378 simplified gives 41/21
- So, 2/7 + 90/54 = 41/21
In mixed form: 120/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7+90/54 2/14+90/54 6/7+90/54 2/21+90/54 10/7+90/54 2/35+90/54 14/7+90/54 2/49+90/54