Add 70/42 and 16/45
1st number: 1 28/42, 2nd number: 16/45
70/42 + 16/45 is 91/45.
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,
16/45 = 16 × 14/45 × 14 = 224/630 - Add the two like fractions:
1050/630 + 224/630 = 1050 + 224/630 = 1274/630 - 1274/630 simplified gives 91/45
- So, 70/42 + 16/45 = 91/45
In mixed form: 21/45
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