Add 40/28 and 90/45
1st number: 1 12/28, 2nd number: 2 0/45
40/28 + 90/45 is 24/7.
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,
40/28 = 40 × 45/28 × 45 = 1800/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
90/45 = 90 × 28/45 × 28 = 2520/1260 - Add the two like fractions:
1800/1260 + 2520/1260 = 1800 + 2520/1260 = 4320/1260 - 4320/1260 simplified gives 24/7
- So, 40/28 + 90/45 = 24/7
In mixed form: 33/7
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