Add 90/10 and 70/72
1st number: 9 0/10, 2nd number: 70/72
90/10 + 70/72 is 359/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
90/10 = 90 × 36/10 × 36 = 3240/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Add the two like fractions:
3240/360 + 350/360 = 3240 + 350/360 = 3590/360 - 3590/360 simplified gives 359/36
- So, 90/10 + 70/72 = 359/36
In mixed form: 935/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+70/72 90/30+70/72 90/50+70/72 90/70+70/72