Add 70/98 and 5/40
70/98 + 5/40 is 47/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
70/98 = 70 × 20/98 × 20 = 1400/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
5/40 = 5 × 49/40 × 49 = 245/1960 - Add the two like fractions:
1400/1960 + 245/1960 = 1400 + 245/1960 = 1645/1960 - 1645/1960 simplified gives 47/56
- So, 70/98 + 5/40 = 47/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98+10/40 70/98+5/80 70/98+15/40 70/98+25/40 70/98+35/40