Add 21/25 and 42/98
21/25 + 42/98 is 222/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 98 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 25 × 98 = 2450,
21/25 = 21 × 98/25 × 98 = 2058/2450 - Likewise, for the 2nd fraction, since 98 × 25 = 2450,
42/98 = 42 × 25/98 × 25 = 1050/2450 - Add the two like fractions:
2058/2450 + 1050/2450 = 2058 + 1050/2450 = 3108/2450 - 3108/2450 simplified gives 222/175
- So, 21/25 + 42/98 = 222/175
In mixed form: 147/175
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