Add 21/49 and 72/10
1st number: 21/49, 2nd number: 7 2/10
21/49 + 72/10 is 267/35.
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,
72/10 = 72 × 49/10 × 49 = 3528/490 - Add the two like fractions:
210/490 + 3528/490 = 210 + 3528/490 = 3738/490 - 3738/490 simplified gives 267/35
- So, 21/49 + 72/10 = 267/35
In mixed form: 722/35
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