Add 90/70 and 8/36
1st number: 1 20/70, 2nd number: 8/36
90/70 + 8/36 is 95/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
90/70 = 90 × 18/70 × 18 = 1620/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
8/36 = 8 × 35/36 × 35 = 280/1260 - Add the two like fractions:
1620/1260 + 280/1260 = 1620 + 280/1260 = 1900/1260 - 1900/1260 simplified gives 95/63
- So, 90/70 + 8/36 = 95/63
In mixed form: 132/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+16/36 90/70+8/72 90/70+24/36 90/70+40/36 90/70+56/36