Add 70/72 and 45/10
1st number: 70/72, 2nd number: 4 5/10
70/72 + 45/10 is 197/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
70/72 = 70 × 5/72 × 5 = 350/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
45/10 = 45 × 36/10 × 36 = 1620/360 - Add the two like fractions:
350/360 + 1620/360 = 350 + 1620/360 = 1970/360 - 1970/360 simplified gives 197/36
- So, 70/72 + 45/10 = 197/36
In mixed form: 517/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72+90/10 70/72+45/20 70/72+45/30 70/72+45/50 70/72+45/70