Add 40/35 and 42/72
1st number: 1 5/35, 2nd number: 42/72
40/35 + 42/72 is 145/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 72 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 35 × 72 = 2520,
40/35 = 40 × 72/35 × 72 = 2880/2520 - Likewise, for the 2nd fraction, since 72 × 35 = 2520,
42/72 = 42 × 35/72 × 35 = 1470/2520 - Add the two like fractions:
2880/2520 + 1470/2520 = 2880 + 1470/2520 = 4350/2520 - 4350/2520 simplified gives 145/84
- So, 40/35 + 42/72 = 145/84
In mixed form: 161/84
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