Add 21/90 and 2/4
21/90 + 2/4 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
21/90 = 21 × 2/90 × 2 = 42/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
2/4 = 2 × 45/4 × 45 = 90/180 - Add the two like fractions:
42/180 + 90/180 = 42 + 90/180 = 132/180 - 132/180 simplified gives 11/15
- So, 21/90 + 2/4 = 11/15
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