Add 63/98 and 54/70
63/98 + 54/70 is 99/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
63/98 = 63 × 5/98 × 5 = 315/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
54/70 = 54 × 7/70 × 7 = 378/490 - Add the two like fractions:
315/490 + 378/490 = 315 + 378/490 = 693/490 - 693/490 simplified gives 99/70
- So, 63/98 + 54/70 = 99/70
In mixed form: 129/70
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