Add 90/98 and 56/40
1st number: 90/98, 2nd number: 1 16/40
90/98 + 56/40 is 568/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
90/98 = 90 × 20/98 × 20 = 1800/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
56/40 = 56 × 49/40 × 49 = 2744/1960 - Add the two like fractions:
1800/1960 + 2744/1960 = 1800 + 2744/1960 = 4544/1960 - 4544/1960 simplified gives 568/245
- So, 90/98 + 56/40 = 568/245
In mixed form: 278/245
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