Add 7/30 and 81/98
7/30 + 81/98 is 779/735.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
7/30 = 7 × 49/30 × 49 = 343/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
81/98 = 81 × 15/98 × 15 = 1215/1470 - Add the two like fractions:
343/1470 + 1215/1470 = 343 + 1215/1470 = 1558/1470 - 1558/1470 simplified gives 779/735
- So, 7/30 + 81/98 = 779/735
In mixed form: 144/735
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