Add 54/70 and 20/49
54/70 + 20/49 is 289/245.
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,
20/49 = 20 × 10/49 × 10 = 200/490 - Add the two like fractions:
378/490 + 200/490 = 378 + 200/490 = 578/490 - 578/490 simplified gives 289/245
- So, 54/70 + 20/49 = 289/245
In mixed form: 144/245
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