Add 15/45 and 54/70
15/45 + 54/70 is 116/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
15/45 = 15 × 14/45 × 14 = 210/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
54/70 = 54 × 9/70 × 9 = 486/630 - Add the two like fractions:
210/630 + 486/630 = 210 + 486/630 = 696/630 - 696/630 simplified gives 116/105
- So, 15/45 + 54/70 = 116/105
In mixed form: 111/105
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