Add 70/4 and 10/80
1st number: 17 2/4, 2nd number: 10/80
70/4 + 10/80 is 141/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
70/4 = 70 × 20/4 × 20 = 1400/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80 - Add the two like fractions:
1400/80 + 10/80 = 1400 + 10/80 = 1410/80 - 1410/80 simplified gives 141/8
- So, 70/4 + 10/80 = 141/8
In mixed form: 175/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4+20/80 70/8+10/80 70/4+30/80 70/12+10/80 70/4+50/80 70/20+10/80 70/4+70/80 70/28+10/80