Add 70/25 and 42/80
1st number: 2 20/25, 2nd number: 42/80
70/25 + 42/80 is 133/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
70/25 = 70 × 16/25 × 16 = 1120/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
42/80 = 42 × 5/80 × 5 = 210/400 - Add the two like fractions:
1120/400 + 210/400 = 1120 + 210/400 = 1330/400 - 1330/400 simplified gives 133/40
- So, 70/25 + 42/80 = 133/40
In mixed form: 313/40
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