Add 21/75 and 7/10
21/75 + 7/10 is 49/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
7/10 = 7 × 15/10 × 15 = 105/150 - Add the two like fractions:
42/150 + 105/150 = 42 + 105/150 = 147/150 - 147/150 simplified gives 49/50
- So, 21/75 + 7/10 = 49/50
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