Add 45/4 and 45/28
1st number: 11 1/4, 2nd number: 1 17/28
45/4 + 45/28 is 90/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
45/4 = 45 × 7/4 × 7 = 315/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
45/28 = 45 × 1/28 × 1 = 45/28 - Add the two like fractions:
315/28 + 45/28 = 315 + 45/28 = 360/28 - 360/28 simplified gives 90/7
- So, 45/4 + 45/28 = 90/7
In mixed form: 126/7
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