Add 16/36 and 90/70
1st number: 16/36, 2nd number: 1 20/70
16/36 + 90/70 is 109/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
16/36 = 16 × 35/36 × 35 = 560/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
90/70 = 90 × 18/70 × 18 = 1620/1260 - Add the two like fractions:
560/1260 + 1620/1260 = 560 + 1620/1260 = 2180/1260 - 2180/1260 simplified gives 109/63
- So, 16/36 + 90/70 = 109/63
In mixed form: 146/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/36+90/70 16/72+90/70 48/36+90/70 80/36+90/70