Add 70/15 and 21/27
1st number: 4 10/15, 2nd number: 21/27
70/15 + 21/27 is 49/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
70/15 = 70 × 9/15 × 9 = 630/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
21/27 = 21 × 5/27 × 5 = 105/135 - Add the two like fractions:
630/135 + 105/135 = 630 + 105/135 = 735/135 - 735/135 simplified gives 49/9
- So, 70/15 + 21/27 = 49/9
In mixed form: 54/9
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