Add 36/70 and 25/40
36/70 + 25/40 is 319/280.
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,
36/70 = 36 × 4/70 × 4 = 144/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
25/40 = 25 × 7/40 × 7 = 175/280 - Add the two like fractions:
144/280 + 175/280 = 144 + 175/280 = 319/280 - So, 36/70 + 25/40 = 319/280
In mixed form: 139/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+25/40 36/70+50/40 36/70+25/80 36/70+75/40