Add 21/49 and 9/10
21/49 + 9/10 is 93/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
21/49 = 21 × 10/49 × 10 = 210/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
9/10 = 9 × 49/10 × 49 = 441/490 - Add the two like fractions:
210/490 + 441/490 = 210 + 441/490 = 651/490 - 651/490 simplified gives 93/70
- So, 21/49 + 9/10 = 93/70
In mixed form: 123/70
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