Add 3/45 and 70/42
1st number: 3/45, 2nd number: 1 28/42
3/45 + 70/42 is 26/15.
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,
3/45 = 3 × 14/45 × 14 = 42/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
70/42 = 70 × 15/42 × 15 = 1050/630 - Add the two like fractions:
42/630 + 1050/630 = 42 + 1050/630 = 1092/630 - 1092/630 simplified gives 26/15
- So, 3/45 + 70/42 = 26/15
In mixed form: 111/15
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