Add 40/30 and 25/80
1st number: 1 10/30, 2nd number: 25/80
40/30 + 25/80 is 79/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
40/30 = 40 × 8/30 × 8 = 320/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
25/80 = 25 × 3/80 × 3 = 75/240 - Add the two like fractions:
320/240 + 75/240 = 320 + 75/240 = 395/240 - 395/240 simplified gives 79/48
- So, 40/30 + 25/80 = 79/48
In mixed form: 131/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30+25/80 40/30+50/80 40/60+25/80 40/30+75/80 40/90+25/80