Add 24/40 and 90/42
1st number: 24/40, 2nd number: 2 6/42
24/40 + 90/42 is 96/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
24/40 = 24 × 21/40 × 21 = 504/840 - Likewise, for the 2nd fraction, since 42 × 20 = 840,
90/42 = 90 × 20/42 × 20 = 1800/840 - Add the two like fractions:
504/840 + 1800/840 = 504 + 1800/840 = 2304/840 - 2304/840 simplified gives 96/35
- So, 24/40 + 90/42 = 96/35
In mixed form: 226/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/40+90/42 24/80+90/42 24/40+90/84 72/40+90/42