Add 7/25 and 21/90
7/25 + 21/90 is 77/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
7/25 = 7 × 18/25 × 18 = 126/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
21/90 = 21 × 5/90 × 5 = 105/450 - Add the two like fractions:
126/450 + 105/450 = 126 + 105/450 = 231/450 - 231/450 simplified gives 77/150
- So, 7/25 + 21/90 = 77/150
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