Add 15/98 and 70/72
15/98 + 70/72 is 1985/1764.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 98 × 36 = 3528,
15/98 = 15 × 36/98 × 36 = 540/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
70/72 = 70 × 49/72 × 49 = 3430/3528 - Add the two like fractions:
540/3528 + 3430/3528 = 540 + 3430/3528 = 3970/3528 - 3970/3528 simplified gives 1985/1764
- So, 15/98 + 70/72 = 1985/1764
In mixed form: 1221/1764
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