Add 70/28 and 63/90
1st number: 2 14/28, 2nd number: 63/90
70/28 + 63/90 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
70/28 = 70 × 45/28 × 45 = 3150/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
63/90 = 63 × 14/90 × 14 = 882/1260 - Add the two like fractions:
3150/1260 + 882/1260 = 3150 + 882/1260 = 4032/1260 - 4032/1260 simplified gives 16/5
- So, 70/28 + 63/90 = 16/5
In mixed form: 31/5
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