Add 70/80 and 63/20
1st number: 70/80, 2nd number: 3 3/20
70/80 + 63/20 is 161/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
70/80 = 70 × 1/80 × 1 = 70/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
63/20 = 63 × 4/20 × 4 = 252/80 - Add the two like fractions:
70/80 + 252/80 = 70 + 252/80 = 322/80 - 322/80 simplified gives 161/40
- So, 70/80 + 63/20 = 161/40
In mixed form: 41/40
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