Add 28/72 and 70/98
28/72 + 70/98 is 139/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
28/72 = 28 × 49/72 × 49 = 1372/3528 - Likewise, for the 2nd fraction, since 98 × 36 = 3528,
70/98 = 70 × 36/98 × 36 = 2520/3528 - Add the two like fractions:
1372/3528 + 2520/3528 = 1372 + 2520/3528 = 3892/3528 - 3892/3528 simplified gives 139/126
- So, 28/72 + 70/98 = 139/126
In mixed form: 113/126
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