Add 28/49 and 49/70
28/49 + 49/70 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
28/49 = 28 × 10/49 × 10 = 280/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
49/70 = 49 × 7/70 × 7 = 343/490 - Add the two like fractions:
280/490 + 343/490 = 280 + 343/490 = 623/490 - 623/490 simplified gives 89/70
- So, 28/49 + 49/70 = 89/70
In mixed form: 119/70
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