Add 3/90 and 42/28
1st number: 3/90, 2nd number: 1 14/28
3/90 + 42/28 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
3/90 = 3 × 14/90 × 14 = 42/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
42/28 = 42 × 45/28 × 45 = 1890/1260 - Add the two like fractions:
42/1260 + 1890/1260 = 42 + 1890/1260 = 1932/1260 - 1932/1260 simplified gives 23/15
- So, 3/90 + 42/28 = 23/15
In mixed form: 18/15
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