Add 98/42 and 70/45
1st number: 2 14/42, 2nd number: 1 25/45
98/42 + 70/45 is 35/9.
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,
98/42 = 98 × 15/42 × 15 = 1470/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
70/45 = 70 × 14/45 × 14 = 980/630 - Add the two like fractions:
1470/630 + 980/630 = 1470 + 980/630 = 2450/630 - 2450/630 simplified gives 35/9
- So, 98/42 + 70/45 = 35/9
In mixed form: 38/9
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