Add 70/40 and 42/45
1st number: 1 30/40, 2nd number: 42/45
70/40 + 42/45 is 161/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
42/45 = 42 × 8/45 × 8 = 336/360 - Add the two like fractions:
630/360 + 336/360 = 630 + 336/360 = 966/360 - 966/360 simplified gives 161/60
- So, 70/40 + 42/45 = 161/60
In mixed form: 241/60
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