Add 36/45 and 42/70
36/45 + 42/70 is 7/5.
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,
36/45 = 36 × 14/45 × 14 = 504/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
42/70 = 42 × 9/70 × 9 = 378/630 - Add the two like fractions:
504/630 + 378/630 = 504 + 378/630 = 882/630 - 882/630 simplified gives 7/5
- So, 36/45 + 42/70 = 7/5
In mixed form: 12/5
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