Add 70/42 and 56/45
1st number: 1 28/42, 2nd number: 1 11/45
70/42 + 56/45 is 131/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
70/42 = 70 × 15/42 × 15 = 1050/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
56/45 = 56 × 14/45 × 14 = 784/630 - Add the two like fractions:
1050/630 + 784/630 = 1050 + 784/630 = 1834/630 - 1834/630 simplified gives 131/45
- So, 70/42 + 56/45 = 131/45
In mixed form: 241/45
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