Add 98/70 and 16/40
1st number: 1 28/70, 2nd number: 16/40
98/70 + 16/40 is 9/5.
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,
98/70 = 98 × 4/70 × 4 = 392/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
16/40 = 16 × 7/40 × 7 = 112/280 - Add the two like fractions:
392/280 + 112/280 = 392 + 112/280 = 504/280 - 504/280 simplified gives 9/5
- So, 98/70 + 16/40 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70+32/40 98/70+16/80 98/70+48/40 98/70+80/40