Add 4/16 and 90/70
1st number: 4/16, 2nd number: 1 20/70
4/16 + 90/70 is 43/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 16 × 35 = 560,
4/16 = 4 × 35/16 × 35 = 140/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
90/70 = 90 × 8/70 × 8 = 720/560 - Add the two like fractions:
140/560 + 720/560 = 140 + 720/560 = 860/560 - 860/560 simplified gives 43/28
- So, 4/16 + 90/70 = 43/28
In mixed form: 115/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16+90/70 4/32+90/70 12/16+90/70 4/48+90/70 20/16+90/70 4/80+90/70 28/16+90/70