Add 42/28 and 1/45
1st number: 1 14/28, 2nd number: 1/45
42/28 + 1/45 is 137/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
42/28 = 42 × 45/28 × 45 = 1890/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
1/45 = 1 × 28/45 × 28 = 28/1260 - Add the two like fractions:
1890/1260 + 28/1260 = 1890 + 28/1260 = 1918/1260 - 1918/1260 simplified gives 137/90
- So, 42/28 + 1/45 = 137/90
In mixed form: 147/90
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