Add 49/70 and 16/80
49/70 + 16/80 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
49/70 = 49 × 8/70 × 8 = 392/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
16/80 = 16 × 7/80 × 7 = 112/560 - Add the two like fractions:
392/560 + 112/560 = 392 + 112/560 = 504/560 - 504/560 simplified gives 9/10
- So, 49/70 + 16/80 = 9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+16/80 49/70+32/80 49/70+48/80