Add 25/27 and 21/98
25/27 + 21/98 is 431/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 98 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 27 × 98 = 2646,
25/27 = 25 × 98/27 × 98 = 2450/2646 - Likewise, for the 2nd fraction, since 98 × 27 = 2646,
21/98 = 21 × 27/98 × 27 = 567/2646 - Add the two like fractions:
2450/2646 + 567/2646 = 2450 + 567/2646 = 3017/2646 - 3017/2646 simplified gives 431/378
- So, 25/27 + 21/98 = 431/378
In mixed form: 153/378
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