Add 72/98 and 40/63
72/98 + 40/63 is 604/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
72/98 = 72 × 9/98 × 9 = 648/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
40/63 = 40 × 14/63 × 14 = 560/882 - Add the two like fractions:
648/882 + 560/882 = 648 + 560/882 = 1208/882 - 1208/882 simplified gives 604/441
- So, 72/98 + 40/63 = 604/441
In mixed form: 1163/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98+80/63