Add 7/9 and 54/70
7/9 + 54/70 is 488/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
7/9 = 7 × 70/9 × 70 = 490/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
54/70 = 54 × 9/70 × 9 = 486/630 - Add the two like fractions:
490/630 + 486/630 = 490 + 486/630 = 976/630 - 976/630 simplified gives 488/315
- So, 7/9 + 54/70 = 488/315
In mixed form: 1173/315
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