Add 72/45 and 36/42
1st number: 1 27/45, 2nd number: 36/42
72/45 + 36/42 is 86/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
72/45 = 72 × 14/45 × 14 = 1008/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
36/42 = 36 × 15/42 × 15 = 540/630 - Add the two like fractions:
1008/630 + 540/630 = 1008 + 540/630 = 1548/630 - 1548/630 simplified gives 86/35
- So, 72/45 + 36/42 = 86/35
In mixed form: 216/35
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