Add 90/98 and 72/10
1st number: 90/98, 2nd number: 7 2/10
90/98 + 72/10 is 1989/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
90/98 = 90 × 5/98 × 5 = 450/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
72/10 = 72 × 49/10 × 49 = 3528/490 - Add the two like fractions:
450/490 + 3528/490 = 450 + 3528/490 = 3978/490 - 3978/490 simplified gives 1989/245
- So, 90/98 + 72/10 = 1989/245
In mixed form: 829/245
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