Add 7/49 and 21/10
1st number: 7/49, 2nd number: 2 1/10
7/49 + 21/10 is 157/70.
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,
7/49 = 7 × 10/49 × 10 = 70/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
21/10 = 21 × 49/10 × 49 = 1029/490 - Add the two like fractions:
70/490 + 1029/490 = 70 + 1029/490 = 1099/490 - 1099/490 simplified gives 157/70
- So, 7/49 + 21/10 = 157/70
In mixed form: 217/70
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