Add 42/70 and 70/45
1st number: 42/70, 2nd number: 1 25/45
42/70 + 70/45 is 97/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
42/70 = 42 × 9/70 × 9 = 378/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
70/45 = 70 × 14/45 × 14 = 980/630 - Add the two like fractions:
378/630 + 980/630 = 378 + 980/630 = 1358/630 - 1358/630 simplified gives 97/45
- So, 42/70 + 70/45 = 97/45
In mixed form: 27/45
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