Add 15/45 and 21/98
15/45 + 21/98 is 23/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 45 × 98 = 4410,
15/45 = 15 × 98/45 × 98 = 1470/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
21/98 = 21 × 45/98 × 45 = 945/4410 - Add the two like fractions:
1470/4410 + 945/4410 = 1470 + 945/4410 = 2415/4410 - 2415/4410 simplified gives 23/42
- So, 15/45 + 21/98 = 23/42
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