Add 54/70 and 70/49
1st number: 54/70, 2nd number: 1 21/49
54/70 + 70/49 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
54/70 = 54 × 7/70 × 7 = 378/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
70/49 = 70 × 10/49 × 10 = 700/490 - Add the two like fractions:
378/490 + 700/490 = 378 + 700/490 = 1078/490 - 1078/490 simplified gives 11/5
- So, 54/70 + 70/49 = 11/5
In mixed form: 21/5
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