Add 90/35 and 16/72
1st number: 2 20/35, 2nd number: 16/72
90/35 + 16/72 is 176/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
90/35 = 90 × 72/35 × 72 = 6480/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
16/72 = 16 × 35/72 × 35 = 560/2520 - Add the two like fractions:
6480/2520 + 560/2520 = 6480 + 560/2520 = 7040/2520 - 7040/2520 simplified gives 176/63
- So, 90/35 + 16/72 = 176/63
In mixed form: 250/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35+32/72 90/70+16/72 90/35+48/72 90/35+80/72