Add 90/63 and 45/40
1st number: 1 27/63, 2nd number: 1 5/40
90/63 + 45/40 is 143/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
90/63 = 90 × 40/63 × 40 = 3600/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
45/40 = 45 × 63/40 × 63 = 2835/2520 - Add the two like fractions:
3600/2520 + 2835/2520 = 3600 + 2835/2520 = 6435/2520 - 6435/2520 simplified gives 143/56
- So, 90/63 + 45/40 = 143/56
In mixed form: 231/56
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