Add 49/40 and 63/70
1st number: 1 9/40, 2nd number: 63/70
49/40 + 63/70 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
49/40 = 49 × 7/40 × 7 = 343/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
63/70 = 63 × 4/70 × 4 = 252/280 - Add the two like fractions:
343/280 + 252/280 = 343 + 252/280 = 595/280 - 595/280 simplified gives 17/8
- So, 49/40 + 63/70 = 17/8
In mixed form: 21/8
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