Add 90/70 and 27/98
1st number: 1 20/70, 2nd number: 27/98
90/70 + 27/98 is 153/98.
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,
90/70 = 90 × 7/70 × 7 = 630/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
27/98 = 27 × 5/98 × 5 = 135/490 - Add the two like fractions:
630/490 + 135/490 = 630 + 135/490 = 765/490 - 765/490 simplified gives 153/98
- So, 90/70 + 27/98 = 153/98
In mixed form: 155/98
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