Add 21/35 and 70/45
1st number: 21/35, 2nd number: 1 25/45
21/35 + 70/45 is 97/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
21/35 = 21 × 9/35 × 9 = 189/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315 - Add the two like fractions:
189/315 + 490/315 = 189 + 490/315 = 679/315 - 679/315 simplified gives 97/45
- So, 21/35 + 70/45 = 97/45
In mixed form: 27/45
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