Add 5/70 and 25/40
5/70 + 25/40 is 39/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
5/70 = 5 × 4/70 × 4 = 20/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
25/40 = 25 × 7/40 × 7 = 175/280 - Add the two like fractions:
20/280 + 175/280 = 20 + 175/280 = 195/280 - 195/280 simplified gives 39/56
- So, 5/70 + 25/40 = 39/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70+25/40 5/70+50/40 5/70+25/80 15/70+25/40 5/70+75/40 25/70+25/40 35/70+25/40