Add 7/90 and 40/28
1st number: 7/90, 2nd number: 1 12/28
7/90 + 40/28 is 949/630.
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,
7/90 = 7 × 14/90 × 14 = 98/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
40/28 = 40 × 45/28 × 45 = 1800/1260 - Add the two like fractions:
98/1260 + 1800/1260 = 98 + 1800/1260 = 1898/1260 - 1898/1260 simplified gives 949/630
- So, 7/90 + 40/28 = 949/630
In mixed form: 1319/630
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