Add 32/40 and 49/70
32/40 + 49/70 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
32/40 = 32 × 7/40 × 7 = 224/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
49/70 = 49 × 4/70 × 4 = 196/280 - Add the two like fractions:
224/280 + 196/280 = 224 + 196/280 = 420/280 - 420/280 simplified gives 3/2
- So, 32/40 + 49/70 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/40+49/70 32/40+98/70 32/80+49/70 96/40+49/70