Add 45/40 and 63/7
1st number: 1 5/40, 2nd number: 9 0/7
45/40 + 63/7 is 81/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
45/40 = 45 × 7/40 × 7 = 315/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
63/7 = 63 × 40/7 × 40 = 2520/280 - Add the two like fractions:
315/280 + 2520/280 = 315 + 2520/280 = 2835/280 - 2835/280 simplified gives 81/8
- So, 45/40 + 63/7 = 81/8
In mixed form: 101/8
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