Add 49/80 and 36/70
49/80 + 36/70 is 631/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
49/80 = 49 × 7/80 × 7 = 343/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
36/70 = 36 × 8/70 × 8 = 288/560 - Add the two like fractions:
343/560 + 288/560 = 343 + 288/560 = 631/560 - So, 49/80 + 36/70 = 631/560
In mixed form: 171/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/80+36/70 49/80+72/70