Add 70/40 and 90/35
1st number: 1 30/40, 2nd number: 2 20/35
70/40 + 90/35 is 121/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
90/35 = 90 × 8/35 × 8 = 720/280 - Add the two like fractions:
490/280 + 720/280 = 490 + 720/280 = 1210/280 - 1210/280 simplified gives 121/28
- So, 70/40 + 90/35 = 121/28
In mixed form: 49/28
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