Add 70/30 and 25/72
1st number: 2 10/30, 2nd number: 25/72
70/30 + 25/72 is 193/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
70/30 = 70 × 12/30 × 12 = 840/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
25/72 = 25 × 5/72 × 5 = 125/360 - Add the two like fractions:
840/360 + 125/360 = 840 + 125/360 = 965/360 - 965/360 simplified gives 193/72
- So, 70/30 + 25/72 = 193/72
In mixed form: 249/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+50/72 70/60+25/72 70/30+75/72 70/90+25/72