Add 7/15 and 90/54
1st number: 7/15, 2nd number: 1 36/54
7/15 + 90/54 is 32/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
7/15 = 7 × 18/15 × 18 = 126/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Add the two like fractions:
126/270 + 450/270 = 126 + 450/270 = 576/270 - 576/270 simplified gives 32/15
- So, 7/15 + 90/54 = 32/15
In mixed form: 22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+90/54 7/30+90/54 21/15+90/54 7/45+90/54 35/15+90/54 7/75+90/54 49/15+90/54