Add 42/35 and 72/45
1st number: 1 7/35, 2nd number: 1 27/45
42/35 + 72/45 is 14/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
42/35 = 42 × 9/35 × 9 = 378/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
72/45 = 72 × 7/45 × 7 = 504/315 - Add the two like fractions:
378/315 + 504/315 = 378 + 504/315 = 882/315 - 882/315 simplified gives 14/5
- So, 42/35 + 72/45 = 14/5
In mixed form: 24/5
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