Add 28/70 and 90/98
28/70 + 90/98 is 323/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
28/70 = 28 × 7/70 × 7 = 196/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
90/98 = 90 × 5/98 × 5 = 450/490 - Add the two like fractions:
196/490 + 450/490 = 196 + 450/490 = 646/490 - 646/490 simplified gives 323/245
- So, 28/70 + 90/98 = 323/245
In mixed form: 178/245
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